3RT2037-1AH20

Siemens 3RT2037-1AH20 SIRIUS 3RT2 contactor, Size S2, 3-pole, 48V AC 50/60Hz
Siemens 3RT2037-1AH20 SIRIUS 3RT2 contactor, Size S2, 3-pole, 48V AC 50/60Hz

The Siemens 3RT2037-1AH20 contactor belongs to the SIRIUS 3RT2 series, Size S2, 3 poles, AC-3 rated 65A, 30kW (400V), control voltage 48V AC 50/60Hz, and is equipped with 1NO+1NC auxiliary contacts.

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Siemens 3RT2037-1AH20 SIRIUS 3RT2 contactor, Size S2, 3-pole, 48V AC 50/60Hz
Product Positioning

The Siemens 3RT2037-1AH20 contactor belongs to the SIRIUS 3RT2 series, has a size S2 housing, a 3-pole main contact design, an AC-3 rated current of 65A, a power of 30kW (400V), and can withstand an insulation voltage of 690V and an impulse withstand voltage of 6kV. The Siemens 3RT2037-1AH20 controls at 48V AC 50/60Hz, has 1 NO + 1 NC auxiliary contacts, a mechanical life of 10 million cycles, and is suitable for use with thermal overload relays to form a standard three-phase motor starting circuit.

Core Product Advantages and Features
48V AC low voltage coil
Universal for 50/60Hz, suitable for safety extra-low voltage control circuits or existing 48V panels.
AC-3 current 65A, power 30kW
It can start a 30kW three-phase motor under 400V rated voltage, and the 1NO+1NC auxiliary contacts facilitate monitoring.
690V insulation, 6kV impact resistant
IP20 front panel protection, with a mechanical life of 10 million cycles, suitable for frequent switching applications.
Size S2 lightweight case
55×114×130mm, 35mm DIN rail mounting, saving control panel space.
project Specification
Control/coil voltage 48V AC 50/60Hz
AC-3 rated current 65 A (400V)
AC-3 rated power 30 kW (400V)
Extreme number 3 poles
Auxiliary contact 1NO+1NC (built-in basic type)
Insulation voltage 690V
Rated impulse withstand voltage 6kV
Protection level IP20 (front) / IP00 (terminal)
Mechanical life 10 million times
External dimensions 55×114×130mm (width×height×depth)
Installation method 35mm DIN rail clamping or screw fixing
Applicable series/sizes SIRIUS 3RT2, Size S2
Operating ambient temperature -25°C ~ +60°C

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