SIEMENS 3SK11111AB30 standard safety relay basic unit

Emergency stop circuits

Monitoring of light barriers, laser scanners, opto-electronic protection devices

Protective door monitoring

Position switch monitoring

Floating and non-floating sensor monitoring

Safety control in industrial automation systems

You can become a member here to see prices and take advantage of other privileges.

Adet

Request an offer

Ask a question

SIEMENS 3SK1111-1AB30 is a standard safety relay basic unit from the SIRIUS 3SK1 series. It features 3 NO safety outputs and 1 NC signaling output. The supply voltage is 24 V AC/DC, and it uses screw terminals for connection.

General:

Series: SIRIUS 3SK1
Type: Standard basic unit
Supply voltage: 24 V AC/DC
Safety outputs: 3 x NO
Signaling output: 1 x NC
Connection type: Screw terminals
Protection class: IP20
Insulation voltage: 300 V
Surge voltage resistance: 4000 V
Shock resistance: 10g / 11 ms
Vibration resistance: 5–500 Hz, 0.75 mm
Operating temperature: –25 °C to +60 °C
Storage temperature: –40 °C to +80 °C
Humidity: 10% to 95%
Installation altitude: Max. 2000 m
EMC compliance: IEC 60947-5-1, IEC 61000
Pollution degree: 3
Overvoltage category: III
Hardware fault tolerance: Type A (IEC 61508-2)
SIL level: SIL3
Performance level (PL): e (EN ISO 13849-1)
Category: 4
PFHD: 1.7 × 10⁻⁹ 1/h
PFDavg: 1 × 10⁻⁶ 1/y
Service life (T1): 20 years
Weight: 0.257 kg
Dimensions (mm): 36 × 109 × 152

Data Sheet