Description
Product Overview
The 3SK1211-2BB40 SIRIUS safety relay output expansion provides additional relay outputs for existing SIRIUS safety relay systems. It supports 4 NO contacts for enabling and 1 NC contact for signaling, operating at 24 V DC with spring-type terminals.
Key Features
4 NO relay outputs for enabling circuits
1 NC contact for signaling
24 V DC operation
Spring-type terminals for secure connection
Compatible with SIRIUS advanced series
Warranty & After-Sales
Factory new: 1-year Kairock warranty
Second-hand: 3–6 months Kairock warranty
Technical support provided
Delivery Time
Stock: 3–5 working days
Custom: per agreement
Why Choose Kairock
100% genuine Siemens accessory
Expand safety relay capabilities reliably
Fast global shipping
Strong Chinese supply chain support
Applications
Safety circuit expansion in industrial automation
Machines requiring additional relay outputs
Reliable industrial safety systems
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