Siemens Overload relay, Thermal For motor protection Size S2


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Siemens thermal overload relay, 3RU2136-4QB0 is the perfect fit for current-dependent overload protection in the main circuit. The thermal overload relay offers a wide setting range of 47 - 57 A. The SIRIUS overload relay provides an excellent safeguard for motors and systems. The thermal overload relay is designed to effortlessly be inserted due to its optimised size S2 as well as a Contactor mounting Main circuit: Screw Auxiliary circuit: Screw Manual-Automatic-Reset. Monitoring relays are used in all areas of electrical switchgear technology.



Design: Thermal overload relay

Trip class: CLASS 10

Number of poles: 3

Auxiliary contacts: 1 x NO/NC

Size: S2

Electrical data

Adjustable response current: 47 - 57 A

Surge voltage resistance: 6 kV

Mechanical data

Dimensions (H x W x D): 90 x 55 x 105 mm

Connection: Screw-type terminals

Ambient conditions

Ambient temperature: -40 °C to 70 °C

Protection rating: IP20

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