774104 | Pilz Safety Protection Relay 115 VAC Standalone Safety Control Unit

Pilz · Relays, Contactors & Switches

Description  The Pilz 774104 safety relay is a standalone protection relay designed for reliable monitoring of emergency stop circuits and safety gates in industrial control systems. It operates on 115 VAC supply voltage and provides multi-channel input evaluation with monitored start and safety-rated outputs.     Technical Specifications  Condition New/Never Used Surplus Brand Pilz Category Safety Relays Part Number 774104 Subcategory Safety Control Relays Relay Type Standalone safety relay Supply Voltage 115 V AC Supply Frequency 50–60 Hz Power Consumption 8 VA Input Configuration 2-channel wiring, intrinsically safe, short-circuit detection Safety Outputs 3 N/O, 1 N/C, 2 N/O intrinsically safe Max Switching Voltage AC1 240 V Max Switching Current AC1 4 A Max Switching Voltage DC1 24 V Max Switching Current DC1 2 A Utilization Category AC15 / DC13 per EN 60947-5-1 Ambient Temperature -20 to +55 °C Humidity Rating 93% RH at 40 °C Connection Type Screw terminals Conductor Size 24–10 AWG Dimensions (H x W x D) 87 x 112.5 x 121 mm Weight 725 g   Information About 774104 The 774104 is part of the Pilz safety relay portfolio developed for dependable safety monitoring in fixed industrial applications. It is built with a robust enclosure and integral screw terminals, allowing secure installation in control cabinets. The relay supports two-channel intrinsically safe input wiring with detection of shorts across contacts, ensuring high diagnostic coverage. Designed for emergency stop and safety gate monitoring, it operates with a monitored start function using a 115 VAC control supply. Key Features Two-Channel Safety Inputs: Supports redundant intrinsically safe wiring with short-circuit detection for enhanced fault monitoring. Multiple Safety Outputs: Provides 3 normally open and 1 normally closed safety contacts plus additional intrinsically safe outputs. Monitored Start Function: Ensures controlled restart behavior after safety events using a monitored start circuit. Wide Contact Ratings: Supports switching up to 240 VAC and 4 A in AC15 applications for flexible system integration. Industrial Power Supply: Operates directly on 115 VAC at 50–60 Hz without external power conversion. Screw Terminal Connections: Fixed screw terminals support reliable wiring with conductors from 24 to 10 AWG. Compact DIN-Rail Design: Optimized dimensions allow efficient use of control panel space. The 774104 delivers the reliability and precision required for emergency stop circuits and safety gate monitoring in industrial safety control systems.

Brand: Pilz · Category: Relays, Contactors & Switches

Key features

• Two-Channel Safety Inputs: Supports redundant intrinsically safe wiring with short-circuit detection for enhanced fault monitoring.
• Multiple Safety Outputs: Provides 3 normally open and 1 normally closed safety contacts plus additional intrinsically safe outputs.
• Monitored Start Function: Ensures controlled restart behavior after safety events using a monitored start circuit.
• Wide Contact Ratings: Supports switching up to 240 VAC and 4 A in AC15 applications for flexible system integration.
• Industrial Power Supply: Operates directly on 115 VAC at 50–60 Hz without external power conversion.
• Screw Terminal Connections: Fixed screw terminals support reliable wiring with conductors from 24 to 10 AWG.
• Compact DIN-Rail Design: Optimized dimensions allow efficient use of control panel space.

Specifications

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