Versatile Siemens 3sk1111-1aw20 Device [naFut54M]

Versatile Siemens 3sk1111-1aw20 Device [naFut54M] | SIRIUS Safety Relay for Emergency Stop and Protective Door Monitoring

Overview

The Versatile Siemens 3sk1111-1aw20 Device [naFut54M] is a basic safety relay from the SIRIUS 3SK1 series, designed to monitor emergency stop buttons, protective door switches, and other safety-related inputs. Operating at 24V DC, this unit offers 3 normally open (NO) and 1 normally closed (NC) contacts. It supports applications up to Category 4 / PL e, according to ISO 13849-1, and is ideal for compact control panels in industrial environments.

Key Features

• Input Voltage: 24V DC

• Safety Outputs: 3 NO contacts

• Auxiliary Output: 1 NC contact

• Control Category: Up to Category 4 / PL e

• Stop Function: Supports immediate stop and monitoring

• Terminals: Screw-type for secure installation

• Housing Type: Compact 22.5 mm width

• Status Indicators: LED diagnostics

• Mounting: DIN rail

• Response Time: Fast safety response (<25 ms)

Technical Specifications

• Catalog Number: 3SK1111-1AW20

• Series: SIRIUS 3SK1 Basic Units

• Supply Voltage: 24V DC (±20%)

• Contact Type: 3 NO (safety), 1 NC (auxiliary)

• Max Switching Current: 6A AC / 4A DC

• Electrical Life: ≥100,000 cycles (under rated load)

• Ambient Temperature: -25°C to +55°C

• Certifications: CE, UL, TUV, cULus

• Protection Class: IP20 (IP40 front)

Applications

• Emergency stop circuits

• Protective door interlock monitoring

• Two-hand control systems

• Safety zone isolation in machinery

• Small- to mid-sized machines and panels

Why Choose the 3SK1111-1AW20?

• Reliable Safety Compliance: Meets Category 4 / PL e requirements

• Space-Saving Design: Only 22.5 mm wide

• Simple Wiring: Screw terminals for fast installation

• Flexible Application: Supports various safety devices

• Trusted Siemens Quality: Long lifecycle and robust construction

Order Now

The Versatile Siemens 3sk1111-1aw20 Device [naFut54M] safety relay is in stock and available for worldwide shipping.