3RT2036-1KB44

Siemens 3RT2036-1KB44 Contactor, S2 size/3 poles/51A
Siemens 3RT2036-1KB44 Contactor, S2 size/3 poles/51A

The Siemens 3RT2036-1KB44 contactor is a SIRIUS 3RT2 series S2 size, 3-pole contactor with AC-3 rated current of 51A, 22kW (400V), coil voltage of 24V DC, equipped with 2NO+2NC auxiliary contacts, and a mechanical life of 10 million cycles.

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Siemens 3RT2036-1KB44 Contactor, S2 size/3 poles/51A
Product Positioning

The Siemens 3RT2036-1KB44 contactor is a SIRIUS 3RT2 series S2 size, 3-pole contactor with an AC-3 rated current of 51A, 22kW (400V) and a coil voltage of 24V DC. With the auxiliary contact module added, the Siemens 3RT2036-1KB44 is configured with 2NO+2NC contacts. Both the main circuit and auxiliary circuit use screw terminals. It has a mechanical life of 10 million operations and an electrical life of approximately 200,000 operations under AC-4, 24A/400V conditions.

Core Product Advantages and Features
24V DC coil, screw terminals
The coil voltage is 24V DC, and both the main circuit and the auxiliary circuit use screw terminals, ensuring secure wiring.
2NO+2NC complete auxiliary contact
With the addition of auxiliary contact modules, it provides 2 normally open and 2 normally closed contacts, which is suitable for circuits that require multiple monitoring signals.
AC-3 rated 51A, 22kW
The 3-pole main circuit has a rated current of 51A and a power of 22kW under 400V AC-3.
10 million mechanical cycles life
The mechanical life is 10 million operations, and the electrical life is approximately 200,000 operations at AC-4 24A/400V.
project Specification
Rated current (AC-3,400V) 51 A
Rated power (AC-3,400V) 22 kW
Extreme number 3 poles
coil voltage 24V DC
Auxiliary contact 2NO+2NC (Instantaneous Action)
Rated insulation voltage 690V
Rated impulse withstand voltage 6 kV
Protection level IP20 (Terminal Area IP00)
Mechanical life Approximately 10 million times
Electrical life Approximately 200,000 cycles (AC-4, 24A/400V)
External dimensions (height × width × depth) 114×55×174 mm
Applicable size S2 (SIRIUS 3RT2 series)

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