Page 3 - Compact® NSF and NSJ 150 to 600 A Circuit Breakers; Table of Contents; TABLE OF CONTENTS; THE COMPACT
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Table of Contents © 1995–2003 Schneider Electric All Rights Reserved 3 TABLE OF CONTENTS THE COMPACT ® CIRCUIT BREAKER LINE ....................................................................................... 4 GENERAL CHARACTERISTICS ..............
Page 4 - Section 1—The Compact; SECTION 1—THE COMPACT; CIRCUIT BREAKERS—PAGE 8; pus
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 1—The Compact ® Circuit Breaker Line © 1995–2003 Schneider Electric All Rights Reserved 4 SECTION 1—THE COMPACT ® CIRCUIT BREAKER LINE CIRCUIT BREAKERS—PAGE 8 SWITCHES—PAGE 17 MOTOR CIRCUIT PROTECTORS—PAGE 19 Rated Current (A) 15–100 15–250 ...
Page 5 - Section 2—General Characteristics; SECTION 2—GENERAL CHARACTERISTICS; COMPLIANCE WITH STANDARDS; MERLIN
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 2—General Characteristics © 1995–2003 Schneider Electric All Rights Reserved 5 SECTION 2—GENERAL CHARACTERISTICS COMPLIANCE WITH STANDARDS Compliance with North American Standards Compact ® NS circuit breakers are built in accordance with Un...
Page 6 - Tropicalization
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 2—General Characteristics © 1995–2003 Schneider Electric All Rights Reserved 6 Tropicalization Compact ® NS circuit breakers comply with NF C 63-100 standard level 2 conditions (95% relative humidity at 45° C or 80% at 55° C, hot and humid c...
Page 7 - The exceptional limiting capacity of the Compact; Thermal Effects
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 2—General Characteristics © 1995–2003 Schneider Electric All Rights Reserved 7 Suitability for Isolation (Positive Contact Indication) The limiting capacity of a circuit breaker is its ability to limit short-circuit currents. The exceptional...
Page 8 - Section 3—Circuit Breakers; SECTION 3—CIRCUIT BREAKERS; RATINGS AND INTERRUPTING RATINGS; UL 489 Listed Ratings
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 3—Circuit Breakers © 1995–2003 Schneider Electric All Rights Reserved 8 SECTION 3—CIRCUIT BREAKERS RATINGS AND INTERRUPTING RATINGS UL 489 Listed Ratings IEC 947-2 and EN 60947-2 Ratings pus h totrip 0615 3061 0615 3062 Compact ® Circuit Bre...
Page 10 - Section 4—Trip Units; SECTION 4—TRIP UNITS; TRIP UNITS FOR COMPACT; Protection; Against overload
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 4—Trip Units © 1995–2003 Schneider Electric All Rights Reserved 10 SECTION 4—TRIP UNITS TRIP UNITS FOR COMPACT ® NSF150 AND NSF250 CIRCUIT BREAKERS Compact NSF150 and NSF250 circuit breakers are equipped with thermal-magnetic (TM) trip units...
Page 11 - Current Sensors
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 4—Trip Units © 1995–2003 Schneider Electric All Rights Reserved 11 TRIP UNITS FOR COMPACT ® NSJ400 AND NSJ600 CIRCUIT BREAKERS Compact NSJ400 and NSJ600 circuit breakers are equipped with current sensors and electronic trip units. Current Se...
Page 12 - — 4P 3D: no protection
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 4—Trip Units © 1995–2003 Schneider Electric All Rights Reserved 12 Electronic Trip Unit STR23SP and STR23SP-OSN (Oversized Neutral) Protection • Long-time (LT) overload protection, adjustable threshold, based on the actual rms current— Adjus...
Page 13 - Indications; Lights solid at 90% of Ir threshold; Test; x Io; Io
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 4—Trip Units © 1995–2003 Schneider Electric All Rights Reserved 13 Indications Load indication (LED) in front (6): • Lights solid at 90% of Ir threshold • Flashes at >105% or greater of Ir threshold Test Test connector in front (7) for co...
Page 14 - t function; Fault Indications; LEDs indicate the type of fault that caused tripping:
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 4—Trip Units © 1995–2003 Schneider Electric All Rights Reserved 14 Electronic Trip Unit STR53UP Protection • Long-time (LT) overload protection, adjustable threshold, based on actual rms current, as defined by IEC 947-2, appendix F— Adjustab...
Page 16 - ELECTRONIC TRIP UNIT TEST KITS; The test kits presented below are compatible with Compact
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 4—Trip Units © 1995–2003 Schneider Electric All Rights Reserved 16 ELECTRONIC TRIP UNIT TEST KITS The test kits presented below are compatible with Compact ® and Masterpact ® MP/MC/M circuit breakers. Tests performed by test kits are only fu...
Page 17 - Section 5—Switches; SECTION 5—SWITCHES
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 5—Switches © 1995–2003 Schneider Electric All Rights Reserved 17 SECTION 5—SWITCHES RATINGS AND INTERRUPTING RATINGS UL 1087 Listed Ratings IEC 947-3 Ratings pus h totrip 06 1530 61 Compact ® Switches NSF150A NSF250A Number of Poles 3, 4, 4P...
Page 18 - 80 V: 65 kA for NSF switches and 100 kA for NSJ switches
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 5—Switches © 1995–2003 Schneider Electric All Rights Reserved 18 UL 489 Listed Ratings IEC 947-3 Ratings Short-circuit Withstand Current Molded case switches are identical to molded case circuit breakers, except they are not equipped with tr...
Page 19 - Section 6—Motor Circuit Protectors; SECTION 6—MOTOR CIRCUIT PROTECTORS; UL 489 Recognized Component
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 6—Motor Circuit Protectors © 1995–2003 Schneider Electric All Rights Reserved 19 SECTION 6—MOTOR CIRCUIT PROTECTORS RATINGS AND INTERRUPTING RATINGS UL 489 Recognized Component IEC 947-2 and EN 60947-2 Ratings pus h totrip 06 1530 33 Compact...
Page 21 - Section 7—Mounting Configurations; SECTION 7—MOUNTING CONFIGURATIONS; FIXED MOUNTING; See Section 8—Connections for details. Compact
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 7—Mounting Configurations © 1995–2003 Schneider Electric All Rights Reserved 21 SECTION 7—MOUNTING CONFIGURATIONS Refer to circuit breaker installation instructions before installing circuit breaker, accessories or wiring. FIXED MOUNTING CON...
Page 22 - DRAWOUT MOUNTING; Chassis Functions
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 7—Mounting Configurations © 1995–2003 Schneider Electric All Rights Reserved 22 The plug-in configuration makes it possible to: • Extract and/or rapidly replace the circuit breaker without having to touch connections • Allow for addition of ...
Page 23 - Accessories; Telescopic shaft for extended rotary handles
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 7—Mounting Configurations © 1995–2003 Schneider Electric All Rights Reserved 23 Accessories • Auxiliary switches for installation on the fixed part of the chassis, indicating the "connected" and "disconnected" positions • Tog...
Page 24 - Section 8—Connections; SECTION 8—CONNECTIONS; FRONT CONNECTION; Cable connectors for Compact
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 8—Connections © 1995–2003 Schneider Electric All Rights Reserved 24 SECTION 8—CONNECTIONS FRONT CONNECTION Connection to Cables Cable connectors for Compact ® NSF150 and NSF250 circuit breakers surround the circuit breaker terminals. They ar...
Page 25 - REAR CONNECTION; Fixed Mounting
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 8—Connections © 1995–2003 Schneider Electric All Rights Reserved 25 Connection to Bars Compact ® NSF150 to NSJ600 circuit breakers are equipped as standard with captive nuts and screws for direct connection to bars: • Compact NSF150/250 circ...
Page 26 - Section 9—Accessories; SECTION 9—ACCESSORIES; LOCATION; ) for the motor operator
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 9—Accessories © 1995–2003 Schneider Electric All Rights Reserved 26 SECTION 9—ACCESSORIES LOCATION Internal accessories comply with requirements of Underwriters Laboratories Inc. UL 489 and Canadian Standard Association C22.2 No. 5.1 Standar...
Page 27 - AUTOMATIC SECONDARY DISCONNECTING BLOCKS
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 9—Accessories © 1995–2003 Schneider Electric All Rights Reserved 27 AUTOMATIC SECONDARY DISCONNECTING BLOCKS Accessory circuits exit the circuit breaker via one to three secondary disconnecting blocks (nine wires each). For Compact ® NSJ400/...
Page 28 - AUXILIARY AND ALARM SWITCHES; Functions; the circuit breaker is reset; Standards; depending on where it is fitted in the circuit breaker
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 9—Accessories © 1995–2003 Schneider Electric All Rights Reserved 28 AUXILIARY AND ALARM SWITCHES Changeover Switches Auxiliary switches provide remote information of the circuit breaker status and can thus be used for indications, electrical...
Page 29 - Electrical Ratings
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 9—Accessories © 1995–2003 Schneider Electric All Rights Reserved 29 Electrical Ratings UL 489 and CSA C22.2 No. 5.1 Ratings Low-level Switches Regular Switches Minimum Rating 1 mA–4 V 10 mA–24 V Maximum Current and Voltage 100 mA–10 V 6 A–48...
Page 30 - SHUNT TRIP AND UNDERVOLTAGE TRIP; Operation; Electrical Characteristics
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 9—Accessories © 1995–2003 Schneider Electric All Rights Reserved 30 SHUNT TRIP AND UNDERVOLTAGE TRIP A voltage release can be used to trip the circuit breaker via a control signal. Undervoltage trip (MN) • Trips circuit breaker when the cont...
Page 31 - MOTOR OPERATOR; Applications
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 9—Accessories © 1995–2003 Schneider Electric All Rights Reserved 31 MOTOR OPERATOR The motor operator remotely operates the circuit breaker featuring easy and sure operation: • All circuit breaker indications and information remain visible a...
Page 32 - Keylock for locking in OFF position; Characteristics
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 9—Accessories © 1995–2003 Schneider Electric All Rights Reserved 32 Accessories for NSJ400/600 • Keylock for locking in OFF position • Operations counter, indicating the number of ON and OFF cycles; the counter must be installed on the front...
Page 33 - ROTARY OPERATING HANDLES; Installation; Standard with black handle; Tripped
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 9—Accessories © 1995–2003 Schneider Electric All Rights Reserved 33 ROTARY OPERATING HANDLES Operation • The direct rotary handle maintains— Suitability for isolation— Indication of three positions: O (off), I (on) and tripped— Access to the...
Page 34 - Door Mounted; The extended rotary operating handle is made up of:
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 9—Accessories © 1995–2003 Schneider Electric All Rights Reserved 34 Door Mounted Makes it possible to operate circuit breakers installed inside an enclosure from the front. The handle mechanism can be used in NEMA 3R and 12 enclosure applica...
Page 35 - CABLE OPERATING HANDLE
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 9—Accessories © 1995–2003 Schneider Electric All Rights Reserved 35 CABLE OPERATING HANDLE The extended rotary operating handle is Listed under UL file E103955 and Certified under CSA file LR 69561. Flange-mounted Handle Cable Operating Mech...
Page 36 - LOCKING SYSTEMS
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 9—Accessories © 1995–2003 Schneider Electric All Rights Reserved 36 LOCKING SYSTEMS Padlocking systems can receive up to three padlocks with diameters ranging from 0.19 – 0.31 in. (5–8 mm) ; padlocks not supplied. Locking In the Off Position...
Page 37 - INTERLOCKING ACCESSORIES; For Compact
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 9—Accessories © 1995–2003 Schneider Electric All Rights Reserved 37 INTERLOCKING ACCESSORIES Interlocking prevents simultaneous closing of two circuit breakers. Interlocking of Circuit Breakers with Toggle Control Two models: • For Compact ®...
Page 38 - circuit breakers, either fixed or drawout
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 9—Accessories © 1995–2003 Schneider Electric All Rights Reserved 38 Interlocking with Keys For circuit breakers equipped with rotary handles or a motor mechanism. Interlocking with keys may be easily implemented by equipping each of the Comp...
Page 39 - FRONT-PANEL ESCUTCHEONS; Door escutcheon provides better appearance of the door contact.; Toggle Boot; Protection up to NEMA 3M
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 9—Accessories © 1995–2003 Schneider Electric All Rights Reserved 39 FRONT-PANEL ESCUTCHEONS For Fixed or Plug-in Mounting Door escutcheon provides better appearance of the door contact. Front-panel Escutcheons for Toggle Secures to the panel...
Page 40 - Toggle Collars; Sealing Accessory; MA IN P
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 9—Accessories © 1995–2003 Schneider Electric All Rights Reserved 40 For Drawout Mounting Toggle Collars The toggle collars make it possible to maintain degrees of protection regardless of the circuit breaker position (connected, disconnected...
Page 41 - Section 10—Dimensions; SECTION 10—DIMENSIONS; FIXED MOUNTED; Cutout C
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 10—Dimensions © 1995–2003 Schneider Electric All Rights Reserved 41 SECTION 10—DIMENSIONS FIXED MOUNTED X Y C2 C3 Cutout C X Y C2 C3 R2 R4(3P)R5(4P) Cutout B X Y C C1 R R1 Cutout A X P5P6 A B/C Z Y X K2 K Y X K1 G ∅ T U (E) K 2P, 3P 4P K K1 ...
Page 42 - With Toggle Boot
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 10—Dimensions © 1995–2003 Schneider Electric All Rights Reserved 42 NOTE: Door cutouts require a minimum distance between the center of the circuit breaker and the door hinge point Δ 3.93 in./100 mm + (h x 5). C20 C21 X R13 R12 Y X P6 Z X Y ...
Page 43 - PLUG-IN AND DRAWOUT MOUNTING; Dimensions
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 10—Dimensions © 1995–2003 Schneider Electric All Rights Reserved 43 PLUG-IN AND DRAWOUT MOUNTING (*) Y X L10 L6L9 ( * ) Y X L8 L6L7 2P, 3P 4P M Z H19 P7 P9 P4 P2 P12 X H18 P8 (*) L L2 K1 K1 X Y G10 G11 L1 L X K1 Y 2P, 3P 4P M X H16 P4 P9 P7 ...
Page 44 - Mounting; See Fixed-mounted Installation Page 41; Drawout with Extended Front-panel Escutcheons
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 10—Dimensions © 1995–2003 Schneider Electric All Rights Reserved 44 Y X K20 K22 Y X K20 K21 G20 G21 ∅ T U 2P, 3P 4P 2P, 3P 4P K G10 G11 K1 G12 G13 K11 K12 X Y T K K2 K11 K13 X Y 2P, 3P 4P K G10 G11 K1 G12 G13 K5 K6 X Y T K K2 K5 K7 X Y E2152...
Page 46 - Motor Operators
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 10—Dimensions © 1995–2003 Schneider Electric All Rights Reserved 46 NOTE: Door cutouts require a minimum distance between the center of the circuit breaker and the door hinge point Δ 3.93 in./100 mm + (h x 5). X Y L2 L X Y L1 L L11 L12 2P, 3...
Page 47 - CABLE-OPERATING HANDLES; Compact NSF
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 10—Dimensions © 1995–2003 Schneider Electric All Rights Reserved 47 CABLE-OPERATING HANDLES 11.32 287 11.32 287 7.01 178 5.19 132 8.75 222 4.31 109 9.38 238 10.38 264 4.86 123 0.31 8 1.06 27 11.32 287 11.32 287 7.01 178 4.31 184 13.5 343 4.3...
Page 48 - ROTARY-OPERATING HANDLES; Fixed or Plug-in Mounted
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 10—Dimensions © 1995–2003 Schneider Electric All Rights Reserved 48 ROTARY-OPERATING HANDLES P44 X Z O I DD 60 60 X Y L2 L O I DD 60 ° 60 ° X Y L1 L L11 L12 H24 L15 2P, 3P 4P H20 Z P34 P36 (B) P37 (C) X P35 (A) H23 Z P43 X X Y C22 C23 R14 R1...
Page 51 - FRONT ACCESSORIES
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 10—Dimensions © 1995–2003 Schneider Electric All Rights Reserved 51 FRONT ACCESSORIES M8 A3 M A D D3 M2 A1 D2 D1 M3 M6 A2 D2 D1 M7 Front-panel Escutcheons For Toggle Extended Escutcheons For Toggle Toggle Boot For Extended Escutcheon, Motor ...
Page 52 - INTERLOCKING SYSTEMS; Interlocking Systems with Rotary-operating Handles
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 10—Dimensions © 1995–2003 Schneider Electric All Rights Reserved 52 INTERLOCKING SYSTEMS F K L N M X J Y F B H A C D H Z G Interlocking Systems with Rotary-operating Handles Dimensions Front-panel Cutout 06 1531 79 0615 3180 0 61531 81 A B C...
Page 53 - Section 11—Connection Dimensions; SECTION 11—CONNECTION DIMENSIONS; Fixed Mounted
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 11—Connection Dimensions © 1995–2003 Schneider Electric All Rights Reserved 53 SECTION 11—CONNECTION DIMENSIONS Fixed Mounted G4 G5 K1 P13 NSF150/250N/H Inch 2.75 5.51 1.37 0.76* mm 70 140 35 19.5* NSJ400/600N/H/L Inch 4.46 8.93 1.77 1.02 mm...
Page 54 - Plug-in or Drawout Mounting
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 11—Connection Dimensions © 1995–2003 Schneider Electric All Rights Reserved 54 X Z X K1 Y K1 X K1 Y K1 K1 2P, 3P 4P G33 E P23 P22 X Z P23 P22 G35 E X Z Plug-in or Drawout Mounting Rear Connections Rear Connections Fitted at Lower Limit Rear ...
Page 55 - Section 12—Wiring Diagrams; SECTION 12—WIRING DIAGRAMS; Manually-operated Circuit Breaker
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 12—Wiring Diagrams © 1995–2003 Schneider Electric All Rights Reserved 55 SECTION 12—WIRING DIAGRAMS I d 82 84 SDE 81 12 14 OF1 11 92 94 SD 91 C1 12 14 92 94 C1 C2 11 91 C2 352 354 CD 351 314 312 CE 311 MX D1 D1 D4 D4 22 24 OF2 21 21 22 24 MN...
Page 56 - Motor Operator—Automatic Resetting After Tripping; Motor Operator + Shunt Trip
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 12—Wiring Diagrams © 1995–2003 Schneider Electric All Rights Reserved 56 A2 A4 B4 C1 ON OFF A2 A4 B4 D1 ON OFF 82 84 SDE 81 B2 A2 A2 A4 A4 B4 B4 A1 L1 A1 L1 DP1 ON OFF H2 CN1 - CN 1 + CN2 - CN 2 Ð H1 RD WH OR BL GN BK MT BK (1) GN (1) trip u...
Page 57 - Section 13—Supplementary Technical Information; SECTION 13—SUPPLEMENTARY TECHNICAL INFORMATION
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 13—Supplementary Technical Information © 1995–2003 Schneider Electric All Rights Reserved 57 SECTION 13—SUPPLEMENTARY TECHNICAL INFORMATION TRIP UNITS FOR COMPACT ® NSF150–NSF250 CIRCUIT BREAKERS TM40DP 10 000 5 000 2 000 1 000 500 200 100 5...
Page 60 - EFFECT OF HIGH TEMPERATURES; Example
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 13—Supplementary Technical Information © 1995–2003 Schneider Electric All Rights Reserved 60 EFFECT OF HIGH TEMPERATURES When the ambient temperature is greater than 40° C, overload protection characteristics are slightly modified. When dete...
Page 62 - REFLEX TRIPPING; All Compact
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 13—Supplementary Technical Information © 1995–2003 Schneider Electric All Rights Reserved 62 REFLEX TRIPPING All Compact ® NS circuit breakers and switches incorporate the exclusive reflex tripping system. This extremely simple system breaks...
Page 63 - LET-THROUGH CURVES AT 480 V
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 13—Supplementary Technical Information © 1995–2003 Schneider Electric All Rights Reserved 63 LET-THROUGH CURVES AT 480 V Maximum Peak Let-through Current (Amperes) Maximum Let-through I 2 t (Amperes 2 Seconds) 2 3 4 6 10 20 30 40 60 100 200 ...
Page 64 - LET-THROUGH CURVES AT 600 V
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 13—Supplementary Technical Information © 1995–2003 Schneider Electric All Rights Reserved 64 LET-THROUGH CURVES AT 600 V Maximum Peak Let-through Current (Amperes) Maximum Let-through I 2 t (Amperes 2 Seconds) 2 3 4 6 10 20 30 40 60 100 200 ...
Page 66 - CURRENT-LIMITING CURVES AT 690 V
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 13—Supplementary Technical Information © 1995–2003 Schneider Electric All Rights Reserved 66 CURRENT-LIMITING CURVES AT 690 V Maximum Peak Let-through Current (Amperes) Maximum Let-through I 2 t (Amperes 2 Seconds) H 2 3 4 6 10 20 30 40 60 1...
Page 67 - UL 489 TEST PROCEDURE; Standard Tests; Temperature; Examples of specified wires and bus:; Calibration
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 13—Supplementary Technical Information © 1995–2003 Schneider Electric All Rights Reserved 67 UL 489 TEST PROCEDURE Standard Tests For electronic trip circuit breakers and uncompensated thermal-magnetic circuit breakers rated 40° C, the test ...
Page 68 - Overload; The circuit breaker must complete an endurance test:; Interrupting Ability
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 13—Supplementary Technical Information © 1995–2003 Schneider Electric All Rights Reserved 68 Calibration of adjustable instantaneous trip—the circuit breaker must trip within the range of 80–120% of the maximum marked tripping current and 75...
Page 69 - Dielectric; Terminals of opposite polarity with circuit breaker closed; Optional Tests; all poles are performed on the circuit breaker
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 13—Supplementary Technical Information © 1995–2003 Schneider Electric All Rights Reserved 69 Dielectric After testing, the circuit breaker must withstand for one minute a voltage of 1000 V plus twice the rated voltage between: • Line and loa...
Page 70 - The IEC 947-1 standard defines two categories of devices:; Breaking Capacity; Temperature rise under In
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 13—Supplementary Technical Information © 1995–2003 Schneider Electric All Rights Reserved 70 IEC 947-2 TEST PROCEDURE Standard Tests Consisting of seven parts, the IEC 947 Standard applies to all low-voltage equipment designed for industrial...
Page 71 - Isolation; Function; The manufacturing regulation
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 13—Supplementary Technical Information © 1995–2003 Schneider Electric All Rights Reserved 71 Isolation Function Recognition and definition of the disconnection capacity for industrial low-voltage equipment: Until recently, circuit breaker st...
Page 72 - Test Sequences
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 13—Supplementary Technical Information © 1995–2003 Schneider Electric All Rights Reserved 72 Test Sequences Sequence Category of Devices Tests 1–General Characteristics All Circuit Breakers • Trip Unit Control • Dielectric Properties • Mecha...
Page 73 - ROUTINE AND MAINTENANCE GUIDELINES; Check for terminal tightness.; Cleaning; HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH; DA N G E R
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 13—Supplementary Technical Information © 1995–2003 Schneider Electric All Rights Reserved 73 ROUTINE AND MAINTENANCE GUIDELINES Recommended Inspection Intervals Merlin Gerin circuit breakers are designed to be maintenance-free. However, all ...
Page 74 - Electrical Tests
Compact® NSF and NSJ 150 to 600 A Circuit Breakers Section 13—Supplementary Technical Information © 1995–2003 Schneider Electric All Rights Reserved 74 Insulation Resistance Tests When a circuit breaker is subjected to severe operating conditions, an insulation resistance test should be performed as...