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Siemens 3RH1140-1BB40 | Reliable Auxiliary Contactor Relay for Control Circuits
Overview
The Siemens 3RH1140-1BB40 is a SIRIUS series auxiliary contactor relay designed for switching auxiliary and control circuits. Featuring four normally open (NO) contacts and a 24 V DC coil, this compact device ensures reliable performance in industrial control applications. Its size S00 design with screw terminals allows for easy integration into control panels.
Key Features
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Product Line: SIRIUS 3RH1
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Contact Configuration: 4 NO (normally open)
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Control Voltage: 24 V DC
-
Contactor Size: S00
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Mounting: DIN rail or screw mounting
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Terminals: Screw-type
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Protection Class: IP20 (front)
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Mechanical Durability: 30 million operating cycles
-
Standards Compliance: IEC 60947-5-1, EN 50 011
Technical Specifications
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Catalog Number: 3RH1140-1BB40
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Rated Insulation Voltage: 690 V
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Surge Voltage Resistance: 6 kV
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Ambient Temperature: -25°C to +60°C (operation), -55°C to +80°C (storage/transport)
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Operating Current (AC-15):
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6 A at 230 V
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3 A at 400 V
-
2 A at 500 V
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1 A at 690 V
-
-
Operating Current (DC-13):
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10 A at 24 V
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1 A at 110 V
-
0.27 A at 220 V
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-
Power Consumption:
-
Pull-in: 3.2 W
-
Holding: 3.2 W
-
-
Dimensions (W × H × D): 45 mm × 57.5 mm × 72 mm
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Weight: Approx. 0.264 kg
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Mounting Position: ±180° rotation possible on vertical mounting surface; can be tilted forward and backward by ±22.5°
-
Conductor Cross-Sections:
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Solid: 2× (0.5–1.5 mm²), 2× (0.75–2.5 mm²), 2× 4 mm²
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Finely stranded with core end processing: 2× (0.5–1.5 mm²), 2× (0.75–2.5 mm²)
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AWG: 2× (20–16), 2× (18–14), 1× 12
-
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Certifications: CE, UL, CSA, RoHS compliant since July 1, 2006
-
Country of Origin: Germany
Applications
-
Switching of auxiliary and control circuits
-
Integration into motor control centers and switchgear assemblies
-
Use in industrial automation systems requiring reliable contactor relays
Why Choose the 3RH1140-1BB40?
-
Compact Design: Size S00 form factor saves panel space
-
Reliable Performance: 30 million mechanical operating cycles
-
Easy Installation: Screw terminals and DIN rail mounting
-
Flexible Configuration: Expandable with auxiliary contact blocks for additional contacts
Order Now
Available for immediate shipping.
Description
Siemens 3RH1140-1BB40 | Reliable Auxiliary Contactor Relay for Control Circuits
Overview
The Siemens 3RH1140-1BB40 is a SIRIUS series auxiliary contactor relay designed for switching auxiliary and control circuits. Featuring four normally open (NO) contacts and a 24 V DC coil, this compact device ensures reliable performance in industrial control applications. Its size S00 design with screw terminals allows for easy integration into control panels.
Key Features
-
Product Line: SIRIUS 3RH1
-
Contact Configuration: 4 NO (normally open)
-
Control Voltage: 24 V DC
-
Contactor Size: S00
-
Mounting: DIN rail or screw mounting
-
Terminals: Screw-type
-
Protection Class: IP20 (front)
-
Mechanical Durability: 30 million operating cycles
-
Standards Compliance: IEC 60947-5-1, EN 50 011
Technical Specifications
-
Catalog Number: 3RH1140-1BB40
-
Rated Insulation Voltage: 690 V
-
Surge Voltage Resistance: 6 kV
-
Ambient Temperature: -25°C to +60°C (operation), -55°C to +80°C (storage/transport)
-
Operating Current (AC-15):
-
6 A at 230 V
-
3 A at 400 V
-
2 A at 500 V
-
1 A at 690 V
-
-
Operating Current (DC-13):
-
10 A at 24 V
-
1 A at 110 V
-
0.27 A at 220 V
-
-
Power Consumption:
-
Pull-in: 3.2 W
-
Holding: 3.2 W
-
-
Dimensions (W × H × D): 45 mm × 57.5 mm × 72 mm
-
Weight: Approx. 0.264 kg
-
Mounting Position: ±180° rotation possible on vertical mounting surface; can be tilted forward and backward by ±22.5°
-
Conductor Cross-Sections:
-
Solid: 2× (0.5–1.5 mm²), 2× (0.75–2.5 mm²), 2× 4 mm²
-
Finely stranded with core end processing: 2× (0.5–1.5 mm²), 2× (0.75–2.5 mm²)
-
AWG: 2× (20–16), 2× (18–14), 1× 12
-
-
Certifications: CE, UL, CSA, RoHS compliant since July 1, 2006
-
Country of Origin: Germany
Applications
-
Switching of auxiliary and control circuits
-
Integration into motor control centers and switchgear assemblies
-
Use in industrial automation systems requiring reliable contactor relays
Why Choose the 3RH1140-1BB40?
-
Compact Design: Size S00 form factor saves panel space
-
Reliable Performance: 30 million mechanical operating cycles
-
Easy Installation: Screw terminals and DIN rail mounting
-
Flexible Configuration: Expandable with auxiliary contact blocks for additional contacts
Order Now
Available for immediate shipping.