Pilz 750104 PNOZ s4 24VDC 3n/o 1n/c Safety Relay

The Pilz 750104 is a PNOZ s4 series safety relay designed to monitor safety-related functions, such as emergency stop buttons, safety gates, and light curtains. It operates on 24V DC and is known for its compact PNOZsigma design with plug-in terminals for easy installation.

• Safety Outputs: Features 3 safety contacts (N/O - Normally Open) and 1 auxiliary contact (N/C - Normally Closed).
• Additional Output: Includes 1 semiconductor output for signaling.
• Operating Modes: Settings can be adjusted via a rotary switch, allowing for manual or automatic start.
• Monitoring: Designed for 1 or 2-channel wiring, with or without short-circuit detection across contacts.
• Expansion: Features a connector to allow for the addition of 1 PNOZsigma contact expander module.
• LED Indicators: Provides diagnostic LEDs for quick status checks of input, channel 1, channel 2, reset circuits, and errors.
• Connection: Utilizes plug-in screw terminals for wiring.

• Supply Voltage: 24 V DC
• Part Number: 750104
• Product Series: PNOZsigma (PNOZ s4)
• Dimensions: 98 mm (H) x 22.5 mm (W) x 120 mm (D)
• Contact Material: AgCuNi (+ 0.2 µm Au)
• Max Current (AC15): 5 A
• Mounting: DIN Rail

The unit meets safety requirements for high-demand applications, including EN 60947-5-1, EN 60204-1, and VDE 0113-1.

It is also certified for use in lift applications according to EN 81-1