Product Description

The Phoenix Contact PSR-SCP-24UC/URM4/5X1/2X2 is an extension module designed to enhance the functionality of safety relay systems. It provides additional safety contacts, including five enabling current paths, one signaling current path, and one confirmation current path, facilitating the implementation of complex safety circuits. The module is suitable for single-channel or two-channel control applications and is compatible with various safety relay base units.

Technical Specifications

• Product Type: Safety Relay Extension Module
• Manufacturer: Phoenix Contact
• Part Number: 2963734
• Mounting: DIN rail mountable
• Degree of Protection: IP20
• Control Circuit Supply Voltage (U_S): 24 V AC/DC (-15% / +10%)
• Control Supply Current (I_S):
• AC: Approximately 81 mA
• DC: Approximately 71 mA
• Response Time: Typical response and release times of 20 ms
• Contact Configuration:
• Enabling Current Paths: 5
• Signaling Current Path: 1
• Confirmation Current Path: 1
• Contact Material: Silver nickel oxide (AgSnO₂) with 0.2 µm gold plating
• Minimum Switching Voltage: 15 V AC/DC
• Maximum Switching Voltage: 250 V AC/DC
• Limiting Continuous Current:
• Normally Open (N/O) Contacts: 6 A
• Normally Closed (N/C) Contact (11/12): 3 A
• Inrush Current:
• Minimum: 25 mA
• Maximum: 6 A (Δt ≤ 100 ms)
• Interrupting Rating (Ohmic Load):
• 24 V DC: Up to 144 W
• 250 V AC: Up to 1500 VA
• Mechanical Service Life: Approximately 10 million cycles
• Operating Temperature: -20 °C to 55 °C