Variant code: 436 PTC - thermistors (3 in series) 150ºC, in stator winding. M3BP M3AA M2BA M2AA 56 63 x 71 s x s x 80 s x s x x x x = Available, s = Standard feature 90 100 s s x x s s x x 112 s x s x 132 160 s s x s s s x x 180 s s s x 200 225 s s s s s s x x 250 s s s x 280 315 s s s s s 355 s 400 450 s s s Variant code: 436 This code-includes three PTC-thermistors with operation point atin 150°C. The thermistors are installed in PTC thermistors (3 inin series series) 150ºC, stator winding. hot spot of the winding head one per phase to monitor temperature of stator winding. The thermistors used have a positive temperature coefficient meaning that the resistance is increasing rapidly around the trip temperature. This code includes three PTC-thermistors in series with an operation point of 150°C. The thermistors are installed in The characteristics of thermistors are specified in the standards DIN44081 and DIN44082. a hot spot of the winding head with one per phase to monitor temperature of stator winding. The thermistors used have a positive temperature coefficient meaning that if the heat resistance increases rapidly around the thermistor and reaches the When the motor is installed are the thermistors connected to a thermistor relay that will disconnect the supply to trip temperature the temperature safety relay isistriggered the motor if the trip reached.and disconnects the supply. The characteristics of thermistors are specified under DIN44081 and DIN44082 standards. Note: Maximum allowed measuring voltage is 2,5V per element. Note: Maximum allowed measuring voltage is 2.5V per element. Variant code execution Variant code execution Thermistor operating curve. TNAT = Nominal response temperature. Picture of single PTC We reserve all rights in this document and in the information contained therein. Reproduction, use or disclosure to third parties without express authority is strictly forbidden. Ó Copyright 2007 ABB We reserve all rights in this document and in the subject matter and illustrations contained therein. Any reproduction, disclosure to third parties or utilization of its contents – in whole or in parts – is forbidden without prior written consent of ABB. Copyright© 2014 ABB If nothing else is specified are the thermistors wired to a terminal block in the main terminal box, a separate auxiliary terminal box for the thermistors connections can be ordered using VC380 or VC418. If nothing else is specified are the thermistors wired to a terminal block in the main terminal box, a separate auxiliary terminal box for the thermistors connections can be ordered using VC380 or VC418. Connection point and connection diagram M3BP Connection point and connection diagram M3BP M3BP 71-132 M3BP 160-250 M3BP 280-450 We reserve all rights in this document and in the information contained therein. Reproduction, use or disclosure to third parties without express authority is strictly forbidden. Ó Copyright 2006 ABB We reserve all rights in this document and in the subject matter and illustrations contained therein. Any reproduction, disclosure to third parties or utilization of its contents – in whole or in parts – is forbidden without prior written consent of ABB. Copyright© 2014 ABB Variant code description Valid 3GZF500930-243 C 2013-05-20 3(4) Connection point and connection diagram M3AA Connection point and connection diagram M3AA M3AA 71-132 M3AA 160-180 M3AA 200-280 Connection point and connection diagram M2BA Connection point and connection diagram M2BA M2BA 71-132 M2BA 160-250 M2BA 280-355 We reserve all rights in this document and in the subject matter and illustrations contained therein. Any reproduction, disclosure third parties or utilization its contents – in whole or in parts – is forbidden without prior written consent of ABB. We reserve all rights in this documenttoand in the information contained of therein. Reproduction, use or disclosure to third parties without express authority is strictly forbidden. Ó Copyright© Copyright 20062014 ABB ABB Variant code description Valid 3GZF500930-243 C 2013-05-20 4(4) Connection connectiondiagram diagram M2AA Connectionpoint point and and connection M2AA M2AA 71-132 M2AA 160-200 M2AA 225-250 We reserve all rights in this document and in the subject matter and illustrations contained therein. Any reproduction, disclosure to third parties or utilization of its contents – in whole or in parts – is forbidden without prior written consent of ABB. We reserve all rights in this document and in the information contained therein. Reproduction, use or disclosure to third parties without express authority is strictly forbidden. Copyright© 2014 ABB Ó Copyright 2006 ABB