Siemens Plug-in socket for PT relay 4 changeover contacts with logic isolation Spring-type terminal (push-in) Part number LZS:PT7874P

Product Overview

The Siemens LZS:PT7874P is a plug-in base/socket designed for the PT series of coupling relays. It features four change-over contacts with logical isolation and spring-loaded push-in terminals. The socket is engineered for snap-on rail mounting (DIN rail) in control cabinets and offers dependable relay interface performance.

Key Features

• Plug-in base for PT relay series
• 4 change-over (4 CO) contacts with logical isolation
• Spring-loaded push-in terminal connections for fast installation
• Snap-on mounting on standard DIN rail
• Compact design with standard socket footprint for modular relay systems
• Wide operating temperature range and robust construction for industrial environments

Technical Specifications

• Article Number: LZS:PT7874P
• Series: Siemens LZS Socket Series (PT relay base)
• Contact Configuration: 4 change-over contacts
• Terminal Type: Spring-loaded push-in terminals
• Mounting: Snap-on DIN-rail mount
• Protection Class: IP20 (typical for mounted socket)
• Ambient Temperature Range: -40 °C to +70 °C (operation)

Compliance & Certifications

• Manufactured to Siemens relay interface hardware quality standards
• Designed for industrial automation relay socket applications

Applications

Used as the mounting socket for PT series coupling relays in industrial control panels, machine automation cabinets and relay-based logic systems. Ideal for installations where quick mounting, secure connection and modular relay replacement are required.