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Siemens 3SK1211-2BB40

SKU: 3SK1211-2BB40
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$590.00
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Siemens 3SK1211-2BB40 | Expandable Safety Relay Module for Enhanced Safety Control

Overview

The Siemens 3SK1211-2BB40 is a SIRIUS 3SK1 series safety relay output expansion module designed to extend the output capabilities of basic safety relay units. Operating at 24V DC, it provides four normally open (NO) safety contacts and one normally closed (NC) signaling contact. The module features spring-type terminals for secure connections and is suitable for DIN rail mounting. It is engineered to meet high safety standards, making it ideal for applications requiring reliable safety control expansion.

Key Features

  • Product Line: SIRIUS 3SK1

  • Module Type: Output expansion

  • Supply Voltage: 24V DC

  • Safety Outputs: 4 NO contacts

  • Signaling Output: 1 NC contact

  • Terminal Type: Spring-loaded (push-in)

  • Mounting: DIN rail

  • Housing Width: 22.5 mm

  • Protection Class: IP20

  • Compliance: SIL 3 (IEC 61508), PL e (EN ISO 13849-1), Category 4

Technical Specifications

  • Catalog Number: 3SK1211-2BB40

  • Operating Voltage Range: 19.2V to 28.8V DC

  • Power Consumption: Max. 2.5 W

  • Output Switching Capacity:

    • AC-15:

      • 24V: 5 A

      • 115V: 5 A

      • 230V: 5 A

    • DC-13:

      • 24V: 5 A

      • 115V: 0.2 A

      • 230V: 0.1 A

  • Thermal Current (Ith): 5 A

  • Mechanical Service Life: 10 million switching cycles

  • Response Time:

    • Make Time: ≤ 30 ms

    • Release Time: ≤ 15 ms

  • Ambient Temperature:

    • Operation: -25°C to +60°C

    • Storage: -40°C to +80°C

  • Dimensions (W × H × D): 22.5 mm × 100 mm × 121.6 mm

  • Weight: Approx. 0.22 kg

  • Mounting Position: Any

  • Insulation Voltage: 300 V

  • Surge Voltage Resistance: 4,000 V

  • Short-Circuit Protection:

    • Fuse: gL/gG 6 A

    • Circuit Breaker: Type A (3 A), Type B (2 A), Type C (1 A)

  • Certifications: CE, UL

Applications

  • Expansion of safety outputs in machinery and plant automation

  • Integration with SIRIUS 3SK1 basic safety relay units

  • Safety control systems requiring additional output contacts

  • Industrial applications adhering to high safety integrity levels

Why Choose the 3SK1211-2BB40?

  • Enhanced Safety: Meets SIL 3 and PL e standards for high safety requirements

  • Flexible Integration: Seamlessly expands output capabilities of existing safety relay setups

  • Compact Design: Slim 22.5 mm width saves space in control panels

  • Reliable Performance: High mechanical durability with 10 million switching cycles

  • Easy Installation: Spring-loaded terminals and DIN rail mounting facilitate quick setup

Order Now

The Siemens 3SK1211-2BB40 safety relay output expansion module is an active product and available for immediate shipping. 

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.
1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.
Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.

Description

Siemens 3SK1211-2BB40 | Expandable Safety Relay Module for Enhanced Safety Control

Overview

The Siemens 3SK1211-2BB40 is a SIRIUS 3SK1 series safety relay output expansion module designed to extend the output capabilities of basic safety relay units. Operating at 24V DC, it provides four normally open (NO) safety contacts and one normally closed (NC) signaling contact. The module features spring-type terminals for secure connections and is suitable for DIN rail mounting. It is engineered to meet high safety standards, making it ideal for applications requiring reliable safety control expansion.

Key Features

  • Product Line: SIRIUS 3SK1

  • Module Type: Output expansion

  • Supply Voltage: 24V DC

  • Safety Outputs: 4 NO contacts

  • Signaling Output: 1 NC contact

  • Terminal Type: Spring-loaded (push-in)

  • Mounting: DIN rail

  • Housing Width: 22.5 mm

  • Protection Class: IP20

  • Compliance: SIL 3 (IEC 61508), PL e (EN ISO 13849-1), Category 4

Technical Specifications

  • Catalog Number: 3SK1211-2BB40

  • Operating Voltage Range: 19.2V to 28.8V DC

  • Power Consumption: Max. 2.5 W

  • Output Switching Capacity:

    • AC-15:

      • 24V: 5 A

      • 115V: 5 A

      • 230V: 5 A

    • DC-13:

      • 24V: 5 A

      • 115V: 0.2 A

      • 230V: 0.1 A

  • Thermal Current (Ith): 5 A

  • Mechanical Service Life: 10 million switching cycles

  • Response Time:

    • Make Time: ≤ 30 ms

    • Release Time: ≤ 15 ms

  • Ambient Temperature:

    • Operation: -25°C to +60°C

    • Storage: -40°C to +80°C

  • Dimensions (W × H × D): 22.5 mm × 100 mm × 121.6 mm

  • Weight: Approx. 0.22 kg

  • Mounting Position: Any

  • Insulation Voltage: 300 V

  • Surge Voltage Resistance: 4,000 V

  • Short-Circuit Protection:

    • Fuse: gL/gG 6 A

    • Circuit Breaker: Type A (3 A), Type B (2 A), Type C (1 A)

  • Certifications: CE, UL

Applications

  • Expansion of safety outputs in machinery and plant automation

  • Integration with SIRIUS 3SK1 basic safety relay units

  • Safety control systems requiring additional output contacts

  • Industrial applications adhering to high safety integrity levels

Why Choose the 3SK1211-2BB40?

  • Enhanced Safety: Meets SIL 3 and PL e standards for high safety requirements

  • Flexible Integration: Seamlessly expands output capabilities of existing safety relay setups

  • Compact Design: Slim 22.5 mm width saves space in control panels

  • Reliable Performance: High mechanical durability with 10 million switching cycles

  • Easy Installation: Spring-loaded terminals and DIN rail mounting facilitate quick setup

Order Now

The Siemens 3SK1211-2BB40 safety relay output expansion module is an active product and available for immediate shipping. 

Condition

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.

Warranty

1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.

Disclaimer

Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.
Siemens 3SK1211-2BB40

Siemens 3SK1211-2BB40

$590.00
Add to wishlist
Siemens 3SK1211-2BB40

Siemens 3SK1211-2BB40

Your Price:
$590.00
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