
Phoenix Contact
- Available:
- 0 pcs.On RequestUpdated at: 11-09-2026
- Offer from:
Trusted supplier — Italy, member since 2021, 10–19 employees
- Warranty:
- 12 months
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The PSR-SCP-24DC/URM4/4X1/2X2/B extension module provides a single-channel contact extension utilizing a TBUS interface. It comprises 4 normally open contacts and 1 normally closed contact, along with a confirmation current path that operates without delay. This module is designed to meet the requirements of Category 4 and Performance Level e in accordance with EN ISO 13849.
With a compact width of 22.5 mm, this module features plug-in screw terminal blocks for easy installation. It is suitable for industrial applications, with a mechanical service life rated at 10 million cycles. The relay type is electromechanical with force-guided contacts, adhering to IEC/EN 61810-3 standards.
The module is rated for a maximum power dissipation of 16.14 W under nominal conditions, and it supports a nominal operating mode with a 100% operating factor. Input voltage ranges from 21.6 V DC to 26.4 V DC, while contact switching includes 2 N/C contacts in series. The device offers a degree of protection of IP20 and is designed for mounting on DIN rails in any position.
The ambient temperature range for operation is between -20 °C and 55 °C, and it can withstand storage temperatures from -40 °C to 70 °C. Compliance with CE standards is confirmed, ensuring its reliability in various industrial settings.

Phoenix Contact
Phoenix Contact
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Datasheet for Phoenix Contact 2981677, including specifications and features.
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