Page 2 - Contents
Contents 1. Slot Resistance Thermometer (NWT) ....................................................................................1 bifilar and chip type design....................................................................................................... 1 1.1 EPHY-MESS NWT delivery program...
Page 3 - EPHY-MESS Industrial Motor Protection; Built-in switches of the C
2 EPHY-MESS Industrial Motor Protection REV201205052 3.4 Silicon -Sensors ................................................................................................................... 21 3.4.1 Structure and function .................................................................................
Page 4 - Bifilar and chip type design; EPHY-MESS NWT delivery program list; rigid NWT; Zwischenschieber; The advantages of the EPHY-MESS NWTs; account voltage strain during long time operation
REV201205052 EPHY-MESS Industrial Motor Protection 1 1. Slot Resistance Thermometer (NWT) Bifilar and chip type design 1.1 EPHY-MESS NWT delivery program list EPHY-MESS NWT delivery program list rigid NWT bifilar measuring winding flexible NWT bifilar measuring winding chip type NWT point measuremen...
Page 5 - Slot resistance thermometer with bifilar winding; thickness; – 3 mm; special dimensions upon request
2 EPHY-MESS Industrial Motor Protection REV201205052 1.2 Slot resistance thermometer with bifilar winding 1.2.1 The rigid mica insulated design (NWT-ST) The rigid mica insulated models are suitable for use in winding slots of high-voltage engines. ATEX and IECEx-approval for use in hazardous areas w...
Page 6 - REV201205052 EPHY-MESS Industrial Motor Protection; – 5 mm; Structure
REV201205052 EPHY-MESS Industrial Motor Protection 3 1.2.2 Slot resistance thermometer in intermediate layer (NWT-ZS) Structure A platinum wire with bifilar winding is attached to the carrier body. The connection lines are attached strain relieved. The measuring sensor and the cable outlet are insul...
Page 7 - ± 2 mm
4 EPHY-MESS Industrial Motor Protection REV201205052 thickness width length dimensions 2,5 mm - 5 mm 8 mm - 20 mm 100 mm - 500 mm dim. tolerances ± 0.2 mm ± 0.2 mm ± 2 mm special dimensions upon request 1.2.4 The flexible design with insulation consisting of shrinkable tubing (NWT-SH) The flexible N...
Page 8 - II 2G Ex ia IIC T6
REV201205052 EPHY-MESS Industrial Motor Protection 5 1.2.5 Technical data of the bifilar NWT NWT-ST NWT-ZS NWT-A NWT-SH operating temperature max. 200°C max. 180°C measuring resistor Pt 100 acc. to DIN EN 60751 measuring winding resistance wire with bifilar winding temperature sensitive length (TEL)...
Page 9 - Chip-type NWT with dot like measuring spot; the M-OK /AK design is approved for use within the ranges of; below 4 kV do not require any further insulation of the sensor.
6 EPHY-MESS Industrial Motor Protection REV201205052 1.3 Chip-type NWT with dot like measuring spot 1.3.1 Flexible chip-type NWT located in support structure (M-OK / AK) Flexible chip-type NWT located in a support structure are designed for control applications, where a punctual measurement (TSL = 2...
Page 10 - The rigid chip-type NWT sensors located in an epoxy glass laminate; thin film sensor
REV201205052 EPHY-MESS Industrial Motor Protection 7 1.3.3 Rigid chip-type NWT located in Zwischenschieber (M-OK / ZS ) The rigid chip-type NWT sensors located in an epoxy glass laminate Zwischenschieber represent a further element of the chip-type NWT delivery program. They form the counterpart of ...
Page 11 - dimensions; reduced
8 EPHY-MESS Industrial Motor Protection REV201205052 1.3.5 Standard dimensions and circuitry methods of the chip-type NWT-sensors dimensions M-OK / AK 1) M-OK / KS 2) M-OK / ZS 1) T× W× L 2-line 3-line 4-line 2-line 3-line 4-line 2-line 3-line 4-line 2 × 8 × 50 mm × × × 2× 8× 63 mm × × 3) × 3) × 3) ...
Page 12 - Custom-made platinum measuring resistors; shrink down tubing, dielectric; Fields of application:; windings, slots, pocket holes and housings of electric machines
REV201205052 EPHY-MESS Industrial Motor Protection 9 2. Custom-made platinum measuring resistors 2.1 Delivery program list, custom made platinum measuring resistors Delivery program list, custom made platinum measuring resistors according to DIN EN 60751 M-OK / ... M-GL / ... .../ SH thin film senso...
Page 13 - Ω (category B according to DIN EN 60751); operating temperature; length; wire; II 2G Ex e II
10 EPHY-MESS Industrial Motor Protection REV201205052 2.2 Resistance temperature detectors with single shrinkable tubing insulation Structure The measuring resistors are firmly secured to the wires (hard soldering). The soldering joints are insulated against each other by means of a shrinkable tubin...
Page 15 - II 2G Ex e i a II C
12 EPHY-MESS Industrial Motor Protection REV201205052 2.4 Resistance temperature detectors encapsulated within ceramic sleeve Structure The measuring resistors are firmly connected to the wires (hard soldering). The soldering joints are insulated against each other by means of a shrinkable tubing. T...
Page 16 - IECEx and ATEX approval:; ATEX
REV201205052 EPHY-MESS Industrial Motor Protection 13 2.5 Resistance temperature detectors encapsulated within metal sleeve Structure The measuring resistors are firmly secured to the wires (hard soldering). The soldering joints are insulated against the sleeve. Strain relief is obtained either by c...
Page 17 - by encapsulating of the sensor within sleeve
14 EPHY-MESS Industrial Motor Protection REV201205052 2.6 Resistance temperature detectors encapsulated within screw-in housing Structure The measuring resistors are firmly secured to the wires (hard soldering). The soldering joints are insulated against each other. The measuring resistor is insulat...
Page 18 - General; PTFE or Elastomer insulation of the protecting pipe; with connection head; Technical Data, screw-in thermometer with connection head; Opel
REV201205052 EPHY-MESS Industrial Motor Protection 15 2.7 Screw-in resistance thermometer with connection head type EM24 General The EPHY-MESS screw-in resistance thermometers with stainless steel protecting tube and connection head (type EM 24) offer a large number of combination possibilities due ...
Page 19 - PTC miniature type; single PTC resistor, Ø
16 EPHY-MESS Industrial Motor Protection REV201205052 3. PTC miniature type Siemens-design according to DIN 44080 – 082 3.1 Delivery program list - EPHY-MESS engine protection PTC delivery program list - EPHY-MESS engine protection PTC according to DIN 44081 - 44082 EPTC / SH single PTC resistor, Ø ...
Page 20 - M145 miniature model; , EPTC miniature model; Single PTC resistor cemente into ceramic sleeve; Figure 3
REV201205052 EPHY-MESS Industrial Motor Protection 17 3.2 Engine protection, PTC with Siemens design according to DIN 44081 / 082 The EPHY-MESS engine protection PTC types are supplied only with original Siemens PTC pills, which meet the DIN 44081 / 082 with respect to structure and properties withi...
Page 22 - EPTC NAT
REV201205052 EPHY-MESS Industrial Motor Protection 19 3.2.7 Technical data and order names of miniature type single PTC resistors (EPTC) Model M145 Technical data and order names of miniature type single PTC resistors (EPTC) M145 with 500 mm , 2000 mm and 5050 mm cable length U max 1) / V T NAT / °C...
Page 23 - Miniature design, type M345; DPTC NAT model cable length
20 EPHY-MESS Industrial Motor Protection REV201205052 3.3 Triple PTC resistors miniature model (DPTC) PTC resistors for engine protection are also available as triple sensor, type M345. The technical data U max , ∆t a and the color code are identical with those for the single thermally controlled re...
Page 24 - Delivery program list - silicon sensors; xx; EPHY-MESS KTY-switching device possible; industrial measuring technology
REV201205052 EPHY-MESS Industrial Motor Protection 21 3.4 Silicon Sensors Delivery program list Delivery program list - silicon sensors KTY83-1 xx KTY 84-1 xx KTY83-1 xx / SH / DSH silicon sensor, single (SH) / double (DSH) insulated with Kynar shrinkable tubing, dielectric strength 2.5 kV / AC 50 H...
Page 25 - Technical data KTY 83-1; Type identification; type
22 EPHY-MESS Industrial Motor Protection REV201205052 3.4.2 Si - Sensor KTY 83-1xx Technical data KTY 83-1 xx operation temperature range ϑ M -55°...+175°C reference temperature ϑ N +25°C resistance value R N at ϑ N 1000 Ω ±1%, ±2%, ±5% temperature coefficient α25 0.76 % / K resistance ratio R 100 /...
Page 26 - R N; Ic max
REV201205052 EPHY-MESS Industrial Motor Protection 23 0,4 1,2 2,0 2,8 -100 0 100 200 T[°C] R [k ] -10 0 10 20 30 40 0 1 2 Ic [mA ] R [ ] 8 4 0 -4 -8 -50 0 50 100 150 T[°C] T [K] KTY83-110 -121 -122 KTY83-151 -152 -120 The shape of the characteristic curve can be sufficiently described by the followi...
Page 27 - Technical data KTY 84-1
24 EPHY-MESS Industrial Motor Protection REV201205052 3.4.3 Si - sensor KTY 84-1xx Technical data KTY 84-1 xx operation temperature range ϑ M 0°...+300°C reference temperature ϑ N +100°C resistance value RN at ϑ N 1000Ω ±3%, ±5% temperature coefficient α25 0.61 % / K resistance ratio R 100 / R 25 R ...
Page 28 - depending on test current
REV201205052 EPHY-MESS Industrial Motor Protection 25 0,0 1,0 2,0 3,0 -100 0 100 200 300 T [°C] R [ k] -10 0 10 20 30 40 1 2 3 I const [mA ] R [ ] 0 4 8 12 -100 0 100 200 300 I cont [mA ] T[°C] -30 -20 -10 0 10 20 30 -100 0 100 200 300 Tamb(°C) T (K) KTY84-150 KTY84-150 KTY84-130 -151 -152 The shape...
Page 29 - shrinkable tubing. Small dimensions; single litz wires; Technical data KTY 8
26 EPHY-MESS Industrial Motor Protection REV201205052 3.4.4 Models of the KTY 8x-1xx series Silicon sensors of type series KTY 83 and KTY 84 are available in the following versions: Designation Construction PTC DPTC NTC KTY XXX-ESH XXX-Sensor with a single layer of shrinkable tubing and a fix connec...
Page 31 - Technical data KTY 8x-1xx SGH
28 EPHY-MESS Industrial Motor Protection REV201205052 3.4.7 Si-sensors seated in screw-in casing (SGH) These sensors are mainly used to measure the temperature of housings for electrical engines, generators and transformers. Fig. 20 , KTY8x-1xx SGH Technical data KTY 8x-1xx SGH KTY83-1 xx KTY84-1 xx...
Page 32 - PTC switching devices
REV201205052 EPHY-MESS Industrial Motor Protection 29 3.5 PTC switching devices General The most important duty of switching devices operated by thermally controlled KTY sensors is to protect electrical equipment from thermal overload. In systems where PTC sensors are used, the switching point of th...
Page 33 - Technical data INT 69 / 70
30 EPHY-MESS Industrial Motor Protection REV201205052 3.5.2 PTC switching devices of the INT 69/70 series Specifications: Engine protection INT 69 - general application, standard model for switch cabinet installation. INT 69 V - for engines with optional restart, after thermal disconnection. Option:...
Page 36 - Bimetallic switches
REV201205052 EPHY-MESS Industrial Motor Protection 33 4. Bimetallic switches General Bimetallic temperature controllers are used in the electrical industry for automatic temperature control. They limit the temperature of the units or their parts: if overheating occurs they close or open the (load) c...
Page 37 - Built-in switch type; DC values upon request
34 EPHY-MESS Industrial Motor Protection REV201205052 4.1.1 C0x bimetallic switches Built-in switch type C , non-insulated metal case, hot. Bimetallic switches of this type series can be used in areas in which sufficient insulation is already available or if case insulation is not required - insensi...
Page 38 - type S; transformers and coils, maximum high voltage resistance: 2 kV
REV201205052 EPHY-MESS Industrial Motor Protection 35 4.1.2 S0x bimetallic switches Built-in switch, type S , with insulation (Mylar ® cap), suitable for installation in windings of engines, transformers and coils, maximum high voltage resistance: 2 kV / AC 50 Hz, protection type I, VDE, non-sensiti...
Page 39 - Order names of the type series C0x and S0x; length of interior connection: 100 mm; Wiring examples for built-in switches; twin switch; Built-in switches of the C1W and C1B type series; Thermal limiters of the C1
36 EPHY-MESS Industrial Motor Protection REV201205052 4.1.3 Order names of the type series C0x and S0x Example for orders of built-in switches S01.155.05.300/300 single switch, type S (insulated), break contact, I N =2.5A, NST=155°C, tolerance ±5 K, length of wire 300 mm each C06.080.05.300/100/300 ...
Page 40 - technical data of C1; < 12 V upon request
REV201205052 EPHY-MESS Industrial Motor Protection 37 4.2.1 C1W bimetallic switches Built-in switch, type C1W , not insulated, for applications where the base insulation is guaranteed by the respective installation - sensitive to current, only available as break contact. 4.2.2 C1B bimetallic switche...
Page 41 - Thermal limiters of the C8; technical data of C8; not insulated; approval
38 EPHY-MESS Industrial Motor Protection REV201205052 4.3 Built-in switches, type series C8W and C8B Thermal limiters of the C8 x series are extremely efficient miniature bimetallic switches, suitable for installation in windings of engines, generators transformers etc. The warping design of the hou...
Page 42 - Order names of the type series CxW and CxB
REV201205052 EPHY-MESS Industrial Motor Protection 39 4.3.3 Order names of the type series CxW and CxB Examples for orders of built-in switches C1B-120B-300/300 v single switch, type B (insulated), break contact, I N = 2.5 A, NST=120°C, tolerance ±5 K, length of wire: 300 mm each, leakproof model fo...
