Siemens Plug-in socket for PT relay, 4 c/o contacts, screw Part number LZS:PT78740

Product Overview

The Siemens LZS:PT78740 is a plug-in relay socket from the SIRIUS LZS accessory range, designed for PT series plug-in relays with four change-over contacts. It provides a secure and reliable base for relay installation, enabling fast replacement and organized wiring in industrial control panels. The socket features screw terminals and a compact design suitable for space-efficient automation applications.

Key Features

• Plug-in relay socket for Siemens PT series relays
• Supports relays with four change-over contacts
• Screw-type terminals for secure conductor connection
• Snap-on mounting for quick and easy installation
• Compact modular design for control panel use
• Designed for reliable operation in industrial environments

Technical Specifications

• Article Number: LZS:PT78740
• Product Family: SIRIUS LZS relay accessories
• Accessory Type: Relay socket (plug-in base)
• Compatible Relays: PT series plug-in relays with 4 change-over contacts
• Connection Type: Screw terminals
• Mounting: Snap-on mounting (DIN rail or panel)
• Degree of Protection: IP20
• Conductor Cross-Section:
  • Solid: 1 to 2.5 mm²
  • Stranded with ferrule: 1 to 1.5 mm²
• Ambient Operating Temperature: −40 °C to +70 °C

Compliance & Standards

• Designed for use with Siemens SIRIUS PT relay systems
• Conforms to applicable IEC and EN standards for relay accessories
• Suitable for industrial control and automation installations

Applications

The Siemens LZS:PT78740 relay socket is used to mount and connect PT series plug-in relays in control cabinets, relay racks, and automation systems. It enables fast relay replacement, organized wiring, and reliable electrical connections in applications such as machine control, signaling circuits, and industrial process automation.