X20SL4100 - Safety Relay Module Technical Specifications
General Information
Manufacturer: B&R Industrial Automation

Series: X20 Safety System

Module Type: Safety Relay (Dual Channel)

Part Number: X20SL4100

Safety Standard: IEC 62061, ISO 13849-1 (Cat. 4, PL e)

Safety Parameters
Safety Integrity Level: SIL 3

Performance Level: PL e

Channels: 2 (dual channel with cross monitoring)

Response Time: ≤20ms

Diagnostics Coverage: >99%

MTTFd: >100 years

Electrical Specifications
Supply Voltage: 24V DC (19.2-28.8V DC)

Current Consumption: 80mA (typical)

Output Type: Semiconductor outputs (2x OSSD)

Output Current: 2x 500mA (short-circuit protected)

Output Voltage Drop: <2.5V @500mA

Input Type: 2 safety inputs (dual channel)

Connection Specifications
Termination: Removable screw terminal block

Wire Size: 0.14-2.5mm²

Isolation: 1500V between circuits

Environmental Conditions
Operating Temperature: -20°C to +60°C

Storage Temperature: -40°C to +85°C

Relative Humidity: 5-95% (non-condensing)

Vibration Resistance: 5g (10-150Hz)

Shock Resistance: 15g (11ms)

Certifications
Safety: TÜV certified (EN ISO 13849-1, EN 62061)

EMC: EN 61000-6-2, EN 61000-6-4

Others: CE, UL, RoHS compliant

Mechanical Specifications
Dimensions: 12.5 x 99 x 117mm (WxHxD)

Weight: Approx. 150g

Mounting: X20 System backplane

Diagnostic Features
LED status indicators for:

Power supply

Input status

Output status

Error conditions

Application Information
Typical Uses:

Emergency stop circuits

Safety door monitoring

Light curtain interfaces

Two-hand control systems