3RT2037-1NB34

Siemens 3RT2037-1NB34 contactor, Size S2, 3-pole, 2NO+2NC
Siemens 3RT2037-1NB34 contactor, Size S2, 3-pole, 2NO+2NC

The Siemens 3RT2037-1NB34 contactor is a SIRIUS 3RT2 series size S2, 3-pole, AC-3 rated current 65A, power 30kW (400V), control voltage 20-33VAC/DC, equipped with 2NO+2NC auxiliary contacts, and has rich feedback signals.

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Siemens 3RT2037-1NB34 contactor, Size S2, 3-pole, 2NO+2NC
Product Positioning

The Siemens 3RT2037-1NB34 contactor belongs to the SIRIUS 3RT2 series, Size S2, 3-pole standard model, with an AC-3 rated current of 65A and a power of 30kW (400V). It is suitable for starting and switching circuits of medium and large motors. The Siemens 3RT2037-1NB34 controls a low-voltage electronic circuit of 20-33VAC/DC and is equipped with 4 sets of auxiliary contacts (2NO+2NC), providing more complete interlocking and feedback signals than the standard 1NO+1NC model.

Core Product Advantages and Features
Size S2 standard 3-pole contactor
The AC-3 has a rated current of 65A and a power of 30kW (400V), and is suitable for switching medium and large motors.
Control voltage 20-33VAC/DC
The low-voltage electronic circuit design is suitable for direct drive of PLC or low-voltage control systems.
2NO+2NC auxiliary contacts
Four sets of auxiliary contacts provide relatively complete status feedback and interlocking functions.
Screw terminals, 35mm guide rail
Mechanical life of 10 million cycles, insulation voltage of 690V.
project Specification
Rated current AC-3 65A (400V)
Rated power AC-3 30kW (400V)
Extreme number 3 poles
Control voltage 20-33VAC/DC
Auxiliary contact configuration 2NO+2NC
Terminal type Screw terminals
Rated insulation voltage Ui 690V
Rated impulse withstand voltage Uimp 6kV
Protection level IP20 (front) / IP00 (terminal)
Mechanical life 10 million times
External dimensions 55 (width) × 114 (height) × 130 (depth) mm
Installation method 35mm standard guide rail clamping/screw fixing
Applicable series/sizes SIRIUS 3RT2, Size S2
Certification CE, UL, CSA, CCC

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