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Grey rectangular overload relay with screw terminals and front adjustment dials

SIEMENS

SIEMENS 3RB31134TB0 Overload Relay 4.60-16A 3P

SKU CH-HEK7-A7ANB

Overload relay protects motors from 4.60 to 16 A with selectable trip classes and screw-terminal mounting

  • Protects motors from 4.60 to 16 A overloads
  • Selectable trip classes 5E, 10E, 20E, 30E
  • 1NO/1NC auxiliary contact for status signalling
  • Rated for 690 V AC three-phase circuits
  • Screw terminals mount directly onto S00 contactor

SIEMENS 3RB31134TB0 overload relay 4.60-16A

The SIEMENS 3RB31134TB0 is a three-pole overload relay designed for motor protection in industrial control panels. It offers a current setting range of 4.60 to 16 amperes and a maximum voltage rating of 690 volts AC.

Adjustable trip class and dual reset

Selectable trip classes of 5E, 10E, 20E and 30E let the installer match the relay to different motor starting profiles. The relay provides both automatic and manual reset options and includes a 1NO/1NC auxiliary contact for signalling or interlocking.

Suits IEC-style starters

This unit suits panel builders wiring IEC-style starters who need a compact S00 frame relay that mounts directly to a compatible SIRIUS contactor. Buyers requiring a different current range, a separate mounting base or NEMA-sized components should look at other models.

Highlights

  • Protects motors from 4.60 to 16 A overloads
  • Selectable trip classes 5E, 10E, 20E, 30E
  • 1NO/1NC auxiliary contact for status signalling
  • Rated for 690 V AC three-phase circuits
  • Screw terminals mount directly onto S00 contactor

Specifications

BrandSIEMENS

Questions about this item

Does the 4.60 to 16 A overload relay require separate thermal units for replacement?

No, thermal units are not applicable and the relay mounts directly to the contactor without additional components.

Which trip class will cause the relay to trip first under continuous overload?

The 5E trip class provides the fastest response time among the selectable 5E, 10E, 20E and 30E classes.

How much heat does the relay generate when running at 16 A all day?

The relay is rated for 690 V AC and 16 A maximum setting with screw terminals designed for continuous operation within those limits.

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