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Siemens 3RH2122-2BB40 | 4-Pole SIRIUS Auxiliary Contactor for Control Circuits
Overview
The Siemens 3RH2122-2BB40 is a SIRIUS control auxiliary contactor with 4 poles (2 NO + 2 NC) and a 24V DC coil, ideal for signal switching and interlocking functions in control circuits. Built in compact size S00, it mounts easily on a DIN rail and integrates seamlessly with Siemens motor starters and contactor assemblies.
Key Features
-
Poles: 4 total (2 normally open + 2 normally closed)
-
Control Voltage: 24V DC
-
Mounting Type: DIN rail (EN 60715)
-
Connection Type: Screw terminals
-
Size: S00
-
Electrical Durability: Up to 10 million operations
-
Ambient Operating Temp: -25°C to +60°C
-
Front Indicator: Coil status LED (optional via accessory)
-
Snap-on Compatibility: Can be combined with SIRIUS contactors and overload relays
Technical Specifications
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Part Number: 3RH2122-2BB40
-
Series: SIRIUS 3RH2
-
Rated Insulation Voltage: 690V
-
AC-15 Rated Current: 6A @ 230V
-
DC-13 Rated Current: 3A @ 24V
-
Protection Rating: IP20
-
Coil Consumption: Low power 24V DC
-
Mounting Position: Any orientation
-
Certifications: CE, UL, CSA, RoHS
Applications
-
Auxiliary switching in motor control panels
-
Control signal feedback and interlocking
-
PLC and automation systems
-
Lighting and HVAC systems
-
OEM equipment control cabinets
Why Choose the 3RH2122-2BB40?
-
Flexible Configuration: 2NO + 2NC for versatile signal handling
-
Compact Design: Size S00 fits tight spaces
-
Reliable Coil Operation: 24V DC with low consumption
-
Easy Integration: Screw terminals and DIN rail mount
-
Durable Siemens Build: Long mechanical and electrical life
Order Now
The Siemens 3RH2122-2BB40 is in stock and available for immediate global delivery.
Description
Siemens 3RH2122-2BB40 | 4-Pole SIRIUS Auxiliary Contactor for Control Circuits
Overview
The Siemens 3RH2122-2BB40 is a SIRIUS control auxiliary contactor with 4 poles (2 NO + 2 NC) and a 24V DC coil, ideal for signal switching and interlocking functions in control circuits. Built in compact size S00, it mounts easily on a DIN rail and integrates seamlessly with Siemens motor starters and contactor assemblies.
Key Features
-
Poles: 4 total (2 normally open + 2 normally closed)
-
Control Voltage: 24V DC
-
Mounting Type: DIN rail (EN 60715)
-
Connection Type: Screw terminals
-
Size: S00
-
Electrical Durability: Up to 10 million operations
-
Ambient Operating Temp: -25°C to +60°C
-
Front Indicator: Coil status LED (optional via accessory)
-
Snap-on Compatibility: Can be combined with SIRIUS contactors and overload relays
Technical Specifications
-
Part Number: 3RH2122-2BB40
-
Series: SIRIUS 3RH2
-
Rated Insulation Voltage: 690V
-
AC-15 Rated Current: 6A @ 230V
-
DC-13 Rated Current: 3A @ 24V
-
Protection Rating: IP20
-
Coil Consumption: Low power 24V DC
-
Mounting Position: Any orientation
-
Certifications: CE, UL, CSA, RoHS
Applications
-
Auxiliary switching in motor control panels
-
Control signal feedback and interlocking
-
PLC and automation systems
-
Lighting and HVAC systems
-
OEM equipment control cabinets
Why Choose the 3RH2122-2BB40?
-
Flexible Configuration: 2NO + 2NC for versatile signal handling
-
Compact Design: Size S00 fits tight spaces
-
Reliable Coil Operation: 24V DC with low consumption
-
Easy Integration: Screw terminals and DIN rail mount
-
Durable Siemens Build: Long mechanical and electrical life
Order Now
The Siemens 3RH2122-2BB40 is in stock and available for immediate global delivery.