3RT2036-3KB40

Siemens 3RT2036-3KB40 Contactor, S2 size/3 poles/51A
Siemens 3RT2036-3KB40 Contactor, S2 size/3 poles/51A

The Siemens 3RT2036-3KB40 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 1NO+1NC auxiliary contacts, and rated insulation voltage of 690V.

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Siemens 3RT2036-3KB40 Contactor, S2 size/3 poles/51A
Product Positioning

The Siemens 3RT2036-3KB40 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. The Siemens 3RT2036-3KB40 main circuit uses screw terminals, while the control circuit uses spring terminals. It boasts a mechanical and electrical life of 10 million operations and is certified by UL, CSA, CCC, and classification societies, making it suitable for motor control circuits in industrial and marine applications.

Core Product Advantages and Features
24V DC coil, spring terminal
The coil voltage is 24V DC, and the control and auxiliary circuits use spring terminals, resulting in high wiring efficiency.
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, and is equipped with 1NO+1NC auxiliary contacts.
10 million mechanical cycles life
Both mechanical and electrical lifespans reach 10 million operations, with a maximum operation frequency of 800 times per hour.
Multiple international classification certifications
Certified by classification societies such as UL, CSA, CCC, EAC, RCM, ABS, DNV, BV, and LR.
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 1NO+1NC (Instantaneous Action)
Rated insulation voltage 690V
Rated impulse withstand voltage 6 kV
Protection level IP20
Mechanical/Electrical Life 10 million times each
Operating frequency (AC-3) Up to 800 times/hour
External dimensions (height × width × depth) 114×55×130 mm
net weight Approximately 1.113 kg
Installation method 35mm standard guide rail
Certification UL, CSA, CCC, KC, EAC, RCM, and ABS/DNV/BV/LR classification certifications

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