- RS Stock No.:
- 202-1668
- Mfr. Part No.:
- 3SK1220-1AB40
- Manufacturer:
- Siemens
- RS Stock No.:
- 202-1668
- Mfr. Part No.:
- 3SK1220-1AB40
- Manufacturer:
- Siemens
Technical data sheets
Legislation and Compliance
- COO (Country of Origin):
- DE
Product Details
Siemens Safety Relay, Sensor Extension Type, Type-B Safety Device - SIRIUS Series - 3SK1220-1AB40
To protect people and equipment from electrical hazards, wire up this safety relay from Siemens. The device responds to an error detected by a connected sensor by sending a signal to the next layer in your system. It's a versatile unit you can use in conjunction with floating, non-floating, single-channel and dual-channel sensors, among other components. You'll find products like this used in workplaces with automated machinery, including the food processing industry, oil and gas production and automotive manufacturing.
Features & Benefits
Functions reliably in temperatures ranging between -25°C and +60°C
Mountable in any position for fitting flexibility
Protected against voltage surges of up to 800V for electrical safety
IP20-rated as touch-proof against fingers and tools larger than 12mm
Small size of 17.5 (W) x 100 (H) x 121.6mm (D), so it's a space-saving component
Mountable in any position for fitting flexibility
Protected against voltage surges of up to 800V for electrical safety
IP20-rated as touch-proof against fingers and tools larger than 12mm
Small size of 17.5 (W) x 100 (H) x 121.6mm (D), so it's a space-saving component
What response time will I get from this unit?
The device sends a response in just 60ms in both automatic and monitored start applications, saving precious time if there's an incident.
What's the supply voltage rating of this product?
This relay has a 24V DC supply voltage rating, so it's compatible with common energy sources.
Specifications
Attribute | Value |
---|---|
Supply Voltage | 24V |
Number of Channels | 1 |
Safety Contacts | 0 |
Function | Safety Switch |
Range | SIRIUS |
Safety Category ISO 13849-1 | 4 |
PL ISO 13849-1 | e |
SIL IEC 61508 | 3 |
Terminal Type | Screw |
Standards Met | CSA, UL Listed |
Depth | 121.6mm |
Width | 17.5mm |
Performance Level | e |
Length | 100mm |