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Siemens 3TK2827-1BB40

SKU: 3TK2827-1BB40
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Siemens 3TK2827-1BB40 | SIRIUS Safety Relay – 3 NO + 1 NC, 24V DC

Overview

The Siemens 3TK2827-1BB40 is a safety relay from the SIRIUS 3TK28 series, designed for monitoring emergency stop buttons, safety gates, and light curtains. With 3 NO + 1 NC contacts and 24V DC control voltage, it provides Category 4, Performance Level e (PL e), and SIL 3 safety ratings, ensuring the highest level of personnel and machine protection.


Key Features

  • Safety Contacts: 3 Normally Open (NO), 1 Normally Closed (NC)

  • Control Voltage: 24V DC

  • Safety Category:

    • EN ISO 13849-1: Category 4 / PL e

    • IEC 62061: SIL 3

  • Reset Function: Manual or automatic reset (configurable)

  • Terminals: Screw-type for secure wiring

  • LED Indicators: For status and fault diagnostics

  • Compact Width: Saves space in control cabinets

  • Mounting: DIN rail


Technical Specifications

  • Catalog Number: 3TK2827-1BB40

  • Input Devices Supported: Emergency stop, safety gate switch, 2-hand control

  • Rated Operating Voltage (Ue): 24V DC

  • Switching Capacity: Up to 250V AC / 6 A

  • Response Time: Typically <30 ms

  • Protection Class: IP20

  • Operating Temperature: -25°C to +60°C

  • Dimensions (W x H x D): Approx. 45 mm x 100 mm x 121 mm

  • Certifications: CE, TÜV, cULus, EN ISO 13849-1, IEC 61508

  • Country of Origin: Germany


Applications

  • Emergency Stop Circuits (E-STOP)

  • Safety Door Monitoring

  • Two-Hand Control Systems

  • Light Curtain and Safety Sensor Monitoring

  • Industrial Machine and Process Safety


Why Choose the 3TK2827-1BB40?

  • High Safety Rating: PL e / SIL 3 certified for maximum protection

  • Flexible Configuration: Manual/auto reset for system adaptability

  • Compact Design: Saves valuable cabinet space

  • Diagnostic LEDs: Easy status monitoring and troubleshooting

  • Durable Siemens Reliability: For critical safety circuits


Order Now

Available for fast international delivery.

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 3TK2827-1BB40 | SIRIUS Safety Relay – 3 NO + 1 NC, 24V DC

Overview

The Siemens 3TK2827-1BB40 is a safety relay from the SIRIUS 3TK28 series, designed for monitoring emergency stop buttons, safety gates, and light curtains. With 3 NO + 1 NC contacts and 24V DC control voltage, it provides Category 4, Performance Level e (PL e), and SIL 3 safety ratings, ensuring the highest level of personnel and machine protection.


Key Features

  • Safety Contacts: 3 Normally Open (NO), 1 Normally Closed (NC)

  • Control Voltage: 24V DC

  • Safety Category:

    • EN ISO 13849-1: Category 4 / PL e

    • IEC 62061: SIL 3

  • Reset Function: Manual or automatic reset (configurable)

  • Terminals: Screw-type for secure wiring

  • LED Indicators: For status and fault diagnostics

  • Compact Width: Saves space in control cabinets

  • Mounting: DIN rail


Technical Specifications

  • Catalog Number: 3TK2827-1BB40

  • Input Devices Supported: Emergency stop, safety gate switch, 2-hand control

  • Rated Operating Voltage (Ue): 24V DC

  • Switching Capacity: Up to 250V AC / 6 A

  • Response Time: Typically <30 ms

  • Protection Class: IP20

  • Operating Temperature: -25°C to +60°C

  • Dimensions (W x H x D): Approx. 45 mm x 100 mm x 121 mm

  • Certifications: CE, TÜV, cULus, EN ISO 13849-1, IEC 61508

  • Country of Origin: Germany


Applications

  • Emergency Stop Circuits (E-STOP)

  • Safety Door Monitoring

  • Two-Hand Control Systems

  • Light Curtain and Safety Sensor Monitoring

  • Industrial Machine and Process Safety


Why Choose the 3TK2827-1BB40?

  • High Safety Rating: PL e / SIL 3 certified for maximum protection

  • Flexible Configuration: Manual/auto reset for system adaptability

  • Compact Design: Saves valuable cabinet space

  • Diagnostic LEDs: Easy status monitoring and troubleshooting

  • Durable Siemens Reliability: For critical safety circuits


Order Now

Available for fast international delivery.

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 3TK2827-1BB40

Siemens 3TK2827-1BB40

$720.00
Add to wishlist
Siemens 3TK2827-1BB40

Siemens 3TK2827-1BB40

Your Price:
$720.00
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