PILZ 312200 Safety Relay

PILZ 312200（PSSu E F 4DI）

Specifications

• Model: 312200 (PSSu E F 4DI)
• Type: Failsafe digital input module (PSSuniversal series)
• Inputs: 4 × safety digital inputs (24 V DC, 6 mA)
• Outputs: 2 × test pulse outputs (24 V DC, 0.25 A)
• Safety Level: PL e / SIL 3 / Cat.4
• Power Supply: 16.8–30 V DC (24 V DC nominal)
• Dimensions: 12.6 × 60.2 × 76 mm
• Weight: 35 g (net)
• Protection: IP20
• Temperature: 0°C ~ +60°C
• Certifications: CE, cULus, TÜV, EAC, KOSHA
• Mounting: DIN rail (requires base module)

Features

1. 4-channel safety input for E‑stop, safety doors, light curtains
2. Dual‑pole & short‑circuit proof design for high safety
3. Potential isolation between inputs and internal bus
4. Compact 12.6 mm width, saves cabinet space
5. Hot‑swap compatible with PSSu base modules

Applications

• Safety signal collection in distributed PSS4000 systems
• Machine tools, packaging, automotive, logistics equipment
• Emergency stop, safety door, light curtain monitoring

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