Pilz PNOZ s4 24VDC 3 n/o 1 n/c 750104 safety relay

The Pilz 750104 is a PNOZsigma standalone safety relay, model PNOZ s4 24VDC 3 n/o 1 n/c. It is designed to monitor safety components like E-STOP pushbuttons, safety gates, and light curtains, providing a safe, interrupted circuit in industrial applications.

Key Features & Description

• Safety Outputs: 3 safety contacts (N/O), 1 auxiliary contact (N/C) instantaneous, and 1 semiconductor output.
• Operating Voltage: 24 V DC.
• Width: 22.5 mm, providing a compact, space-saving design.
• Terminals: Plug-in screw terminals.
• Functionality: Supports 1 or 2-channel wiring, with or without detection of shorts across contacts, and features manual or automatic start.
• Diagnostics: Features LED indicators for supply voltage, input status, switch status, and error indication.
• Expansion: Connector allowed for connecting 1 PNOZsigma contact expansion module.

Technical Specifications

• Supply voltage (DC): 2.5 W.
• Max. current AC15 (safety contacts): 5 A.
• Max. current DC13 (safety contacts): 5 A.
• Dimensions (H x W x D): 98 mm x 22.5 mm x 120 mm.
• Net weight: 185 g.
• Operating Modes: Adjustable via rotary switches.
• Protection Type: IP40 for the housing.

Safety Standards

The 750104 relay meets the following standards:

• EN 60947-5-1, EN 60204-1, VDE 0113-1.
• Safety component according to Lift Directive 95/16/EC and EN 81-1.

Typical Applications

• E-STOP monitoring.
• Safety gate monitoring.
• Light beam device monitoring (Type 2/4).
• Production line automation.