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Siemens 3RT2036-3KB40 S2 Power Contactor - 51A, 22kW, 24V DC

Siemens 3RT2036-3KB40 S2 3-pole power contactor with 24V DC coil.

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ManufacturerSiemens
Part number3RT2036-3KB40
Part Number 3RT2036-3KB40
Manufacturer Siemens
Type Power Contactor
Poles 3
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AC-3e/AC-3 rated 51A current rating 24V DC coil Integrated varistor for surge protection 1 NO + 1 NC auxiliary contacts Spring-loaded terminals for control circuit

The Siemens 3RT2036-3KB40 is a robust power contactor designed for demanding industrial applications. It features a 3-pole configuration suitable for AC-3e/AC-3 duty, handling up to 51 A and 22 kW at 400 V. This model operates with a 24 V DC coil, incorporating an integrated varistor for surge suppression and providing 1 normally open (NO) and 1 normally closed (NC) auxiliary contact. The main circuit utilizes screw terminals, while the control and auxiliary circuits feature spring-loaded terminals for secure and efficient connections. Its frame size is S2, and it is specifically designed for compatibility with PLC outputs.

This power contactor is widely used in motor control, power distribution, and automation systems across various industries such as manufacturing, material handling, and process control. Its suitability for PLC integration makes it ideal for modern automated environments requiring precise and reliable switching operations. The S2 frame size and robust construction ensure dependable performance even under heavy load conditions.

Stanlo Automation, a veteran-owned business, offers the Siemens 3RT2036-3KB40, providing reliable access to surplus industrial automation parts. Sourcing from Stanlo ensures you receive quality components that meet your operational needs, backed by a commitment to service and value. Our extensive inventory and knowledgeable support help keep your systems running efficiently.

Part Number3RT2036-3KB40
ManufacturerSiemens
TypePower Contactor
Poles3
Rated Operational Current AC-3e/AC-351 A
Rated Operational Power AC-3e/AC-322 kW @ 400 V
Coil Voltage24 V DC
Auxiliary Contacts1 NO + 1 NC
VaristorIntegrated
Main Circuit TerminalsScrew
Control Circuit TerminalsSpring-loaded
Frame SizeS2
PLC Output CompatibleYes
Motor control
Power distribution
Automation systems
Manufacturing
Material handling
Process control
PLC integration
PLC outputs Industrial control systems Motor control panels
Siemens SIRIUS 3RT2036-3KB40 3RT20363KB40 Siemens Contactor S2
Designed as a direct replacement for older Siemens contactors within the 3RT2 series or compatible applications requiring similar specifications.
Expert tip
The integrated varistor in the 3RT2036-3KB40 provides transient voltage suppression directly within the contactor, simplifying wiring and offering protection without the need for external components for many applications.
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What are the main circuit and control circuit terminal types for the Siemens 3RT2036-3KB40?
The Siemens 3RT2036-3KB40 features screw terminals for the main power circuit, ensuring a secure and robust connection for high current loads. The control and auxiliary circuits utilize spring-loaded terminals, which offer a faster and more reliable connection, especially in applications with vibration or for quick maintenance.