art.1SAZ741201R1052 - TF42-29B Thermal Overload Relay (The TF42-B thermal overload relays are economic electromechanical protection devices for the main circuit, complying with the latest railway rolling stock standards and allowing installation in passengers or driver cabins | Quad Industry GmbH
Àðòèêóë: 1SAZ741201R1052
Íàèìåíîâàíèå: TF42-29B Thermal Overload Relay (The TF42-B thermal overload relays are economic electromechanical protection devices for the main circuit, complying with the latest railway rolling stock standards and allowing installation in passengers or driver cabins for trains frequently operating tunnels or undergrounds. They offer a reliable protection for motors in the event of overload or phase failure. The devices have trip class 10. The thermal overload relays are three pole relays with bimetal tripping elements. The motor current flows through the bimetal tripping elements and heats them directly and indirectly. In case of an overload (over current), the bimetal elements bent as a result of the heating. This leads to a release of the relay and a change of the contacts switching position (95-96 / 97-98). òÀÓ Manual or automatic reset selectable òÀÓ Phase loss sensitive acc. to IEC/EN 60947-4-1 òÀÓ TEST and STOP function òÀÓ Trip indication on the front òÀÓ Temperature compensation òÀÓ Suitable for three- and single-phase applications òÀÓ designed in accordance to the applicable parts of IEC 60077 standard òÀÓ shocks and vibration withstand conforming to IEC 61373 (category 1, class B) òÀÓ usable according to European fire and smoke safety standard EN 45545-2)
Ïðîèçâîäèòåëü: ABB
TF42-29B
General Information
Extended Product Type:
TF42-29B
Product ID:
1SAZ741201R1052
EAN:
4013614517235
Catalog Description:
TF42-29B Thermal Overload Relay
Long Description:
The TF42-B thermal overload relays are economic electromechanical protection devices for the main circuit, complying with the latest railway rolling stock standards and allowing installation in passengers or driver cabins for trains frequently operating tunnels or undergrounds. They offer a reliable protection for motors in the event of overload or phase failure. The devices have trip class 10. The thermal overload relays are three pole relays with bimetal tripping elements. The motor current flows through the bimetal tripping elements and heats them directly and indirectly. In case of an overload (over current), the bimetal elements bent as a result of the heating. This leads to a release of the relay and a change of the contacts switching position (95-96 / 97-98). òÀÓ Manual or automatic reset selectable òÀÓ Phase loss sensitive acc. to IEC/EN 60947-4-1 òÀÓ TEST and STOP function òÀÓ Trip indication on the front òÀÓ Temperature compensation òÀÓ Suitable for three- and single-phase applications òÀÓ designed in accordance to the applicable parts of IEC 60077 standard òÀÓ shocks and vibration withstand conforming to IEC 61373 (category 1, class B) òÀÓ usable according to European fire and smoke safety standard EN 45545-2
Auxiliary Circuit 600 V AC/DC Main Circuit 690 V AC
Rated Operational Current (Ie):
29 A
Rated Operational Current AC-3 (Ie):
29 A
Rated Frequency (f):
Auxiliary Circuit 50 Hz Auxiliary Circuit 60 Hz Auxiliary Circuit DC Main Circuit 50 Hz Main Circuit 60 Hz
Rated Impulse Withstand Voltage (Uimp):
Auxiliary Circuit 6 kV Main Circuit 6 kV
Rated Insulation Voltage (Ui):
690 V
Number of Poles:
3
Number of Auxiliary Contacts NC:
1
Number of Auxiliary Contacts NO:
1
Number of Protected Poles:
3
Conventional Free-air Thermal Current (Ith):
Auxiliary Circuit NC 6 A Auxiliary Circuit NO 4 A Main Circuit 0 A
Rated Operational Current AC-15 (Ie):
(120 V) NC 3 A (120 V) NO 0.75 A (240 V) NC 3 A (240 V) NO 0.75 A (400 V) NC 0.75 A (400 V) NO 0.75 A (500 V) NC 0.75 A (500 V) NO 0.75 A
Rated Operational Current DC-13 (Ie):
(125 V) NC 0.55 A (125 V) NO 0.55 A (24 V) NC 1.25 A (24 V) NO 1.25 A (250 V) NC 0.27 A (250 V) NO 0.27 A (500 V) NC 0.15 A (500 V) NO 0.15 A (60 V) NC 0.55 A (60 V) NO 0.55 A