10+ Available in Stock
-
Free Shipping on All Orders
-
We will beat any price
1 Year Warranty -
Free shipping
Experts Aavaiable 7/24/365 -
30 days money-back
Siemens 3SK1112-1BB40 | SIRIUS Safety Relay for Safety Applications
Overview
The Siemens 3SK1112-1BB40 is a SIRIUS safety relay used for monitoring safety functions such as emergency stops, safety gates, and light curtains. This basic unit provides 3 normally open (NO) and 1 normally closed (NC) contact outputs. It is rated for 24V DC operation and features screw terminal connections. The relay is certified up to SIL 3, PL e, and Category 4, making it ideal for high-level safety applications in industrial environments.
Key Features
-
Operating Voltage: 24V DC
-
Contact Configuration: 3 NO + 1 NC
-
Terminal Type: Screw terminals
-
Diagnostic LEDs: Status and function indicators
-
Safety Categories:
-
EN ISO 13849-1: PL e
-
IEC 62061: SIL 3
-
EN 954-1: Category 4
-
-
Reset Mode: Manual or automatic
-
Response Time: < 30 ms
-
Mounting: DIN rail
-
Width: 22.5 mm
Technical Specifications
-
Catalog Number: 3SK1112-1BB40
-
Switching Capacity (AC): Up to 6 A at 250 V AC
-
Switching Capacity (DC): Up to 6 A at 24 V DC
-
Mechanical Life: >10 million operations
-
Electrical Life: >100,000 operations
-
Ambient Temperature: -25°C to +60°C
-
Protection Class: IP20 (IP40 with housing)
-
Standards: EN ISO 13849-1, IEC 62061, IEC 60947-5-1, EN 50205
-
Weight: Approx. 200 g
-
Country of Origin: Germany
Applications
-
Emergency Stop Circuits
-
Safety Light Curtains
-
Two-Hand Safety Controls
-
Safety Door Monitoring
-
General Machine Safety Systems
Why Choose the 3SK1112-1BB40?
-
Certified High-Level Safety: Complies with SIL 3, PL e, Cat 4
-
Compact Design: Slim 22.5 mm width saves space in control panels
-
Simple Integration: Screw terminals and DIN rail mount for easy installation
-
Flexible Reset Options: Manual or automatic restart
-
Reliable Operation: Long mechanical and electrical life
Order Now
Available for worldwide shipping.
Description
Siemens 3SK1112-1BB40 | SIRIUS Safety Relay for Safety Applications
Overview
The Siemens 3SK1112-1BB40 is a SIRIUS safety relay used for monitoring safety functions such as emergency stops, safety gates, and light curtains. This basic unit provides 3 normally open (NO) and 1 normally closed (NC) contact outputs. It is rated for 24V DC operation and features screw terminal connections. The relay is certified up to SIL 3, PL e, and Category 4, making it ideal for high-level safety applications in industrial environments.
Key Features
-
Operating Voltage: 24V DC
-
Contact Configuration: 3 NO + 1 NC
-
Terminal Type: Screw terminals
-
Diagnostic LEDs: Status and function indicators
-
Safety Categories:
-
EN ISO 13849-1: PL e
-
IEC 62061: SIL 3
-
EN 954-1: Category 4
-
-
Reset Mode: Manual or automatic
-
Response Time: < 30 ms
-
Mounting: DIN rail
-
Width: 22.5 mm
Technical Specifications
-
Catalog Number: 3SK1112-1BB40
-
Switching Capacity (AC): Up to 6 A at 250 V AC
-
Switching Capacity (DC): Up to 6 A at 24 V DC
-
Mechanical Life: >10 million operations
-
Electrical Life: >100,000 operations
-
Ambient Temperature: -25°C to +60°C
-
Protection Class: IP20 (IP40 with housing)
-
Standards: EN ISO 13849-1, IEC 62061, IEC 60947-5-1, EN 50205
-
Weight: Approx. 200 g
-
Country of Origin: Germany
Applications
-
Emergency Stop Circuits
-
Safety Light Curtains
-
Two-Hand Safety Controls
-
Safety Door Monitoring
-
General Machine Safety Systems
Why Choose the 3SK1112-1BB40?
-
Certified High-Level Safety: Complies with SIL 3, PL e, Cat 4
-
Compact Design: Slim 22.5 mm width saves space in control panels
-
Simple Integration: Screw terminals and DIN rail mount for easy installation
-
Flexible Reset Options: Manual or automatic restart
-
Reliable Operation: Long mechanical and electrical life
Order Now
Available for worldwide shipping.