SICK RLY3-EMSS100 Safety Relay (1085345)

The SICK RLY3-EMSS100 is a compact safety relay designed for reliable signal evaluation from safety sensors with potential-free contacts. It offers dual-channel input, SIL 3/PL e compliance, and fast response switching, making it ideal for applications demanding high safety integrity.

With its slim 18 mm DIN-rail housing and comprehensive diagnostic output, this relay is a robust solution for emergency stop functions and protective door monitoring in automated systems.

Technical Specifications

Model: RLY3-EMSS100 SICK
Part Number: 1085345
Product Type: Safety relay (evaluation unit)
Application: Monitoring safety sensors with potential-free outputs
Stop Category: 0 (IEC 60204-1)
Safety Inputs: 2 channels
Reset/EDM Input: 1 channel

Safety-Related Data

Safety Integrity Level (SIL): SIL 3 (IEC 61508)
Performance Level (PL): e (ISO 13849-1)
Category: 4 (ISO 13849-1)
PFHD: 1.0 x 10⁻⁹
Mission Time (TM): 20 years
Response Time: 10 ms (disabling outputs)
Mechanical Life: 10 million cycles

Electrical Specifications

Voltage Supply: 24 V DC (16.8 V to 30 V), PELV or SELV
Power Consumption: ≤ 2.5 W
Residual Ripple: ≤ 2.4 V
Safety Inputs:

• Input Voltage HIGH: 11–30 V DC
• Input Voltage LOW: –3 to 5 V DC
• Input Current: 4–6 mA

Enabling Current Paths:

• Type: 2x N/O contacts (positively guided)
• Switching Voltage: 10–230 V AC / DC
• Switching Current: 10 mA to 6 A
• Total Output Current: Max 12 A
• Contact Material: Silver alloy, gold-flashed

Application Diagnostic Outputs:

• Quantity: 2
• Type: Push-pull semiconductor
• Output Current: Max 120 mA (PNP)

Test Pulse Outputs:

• Quantity: 3
• Type: PNP
• Pulse Width: 2 ms
• Interval: 40 ms

Mechanical Data

Housing Width: 18 mm
Dimensions (W x H x D): 18 mm x 124.6 mm x 85.5 mm
Mounting: DIN rail
Weight: 130 g
Overvoltage Category: III
Impulse Withstand Voltage (Uimp): 6 kV

Applications

Ideal For:

• E-stop circuits with dual-channel redundancy
• Interlock and door monitoring in safety-critical zones
• General safety control in industrial automation
• OEM machinery safety systems

Key Features & Benefits

✅ Slim DIN-Rail Housing: Only 18 mm wide — saves valuable panel space.

✅ SIL 3 / PL e Rated: Meets the highest safety performance requirements.

✅ Versatile Connectivity: Supports AC/DC loads up to 6 A.

✅ Fast Response: 10 ms enabling output cutoff.

✅ Diagnostics Built-In: Push-pull outputs for real-time system status.

📦 Available Now at Drive Outlet Megastore

At Drive Outlet Megastore we offer unbeatable SICK RLY3-EMSS100 prices – trusted protection for mission-critical operations.

Contact us for support on integration or sourcing compatible sensors.

Stay safe. Automate smarter — with SICK and Drive Outlet Megastore.