Siemens Contactor relay, screw, 10NO, 230VAC 50Hz/277VAC 60Hz Part number 3TH4310-0AP0

Product Overview

The Siemens 3TH4310-0AP0 is a 100E contactor relay designed according to EN 50011 and equipped with 10 normally open (NO) auxiliary contacts. Built for AC operation at 230 V AC (50 Hz) or 277 V AC (60 Hz), this relay provides dependable switching performance for signalling, interlocking, and control tasks in industrial automation. Its screw-terminal design and compact form factor make it ideal for control cabinets and machine panels.

Key Features

• Contactor relay, 100E type
• Designed to EN 50011 standards
• 10 × NO auxiliary contacts
• AC-operated coil (230 V AC 50 Hz / 277 V AC 60 Hz)
• Screw terminals for secure, durable wiring
• Suitable for DIN-rail or panel mounting
• High mechanical durability for frequent switching cycles
• Compact construction for space-efficient control panels

Technical Specifications

• Article Number: 3TH4310-0AP0
• Product Type: Contactor relay, 100E
• Standards: EN 50011
• Contacts: 10 × NO
• Coil Voltage: 230 V AC (50 Hz) / 277 V AC (60 Hz)
• Mounting: 35 mm DIN rail or panel mounting
• Terminal Type: Screw terminals
• Rated Operational Current (AC-15): approx. 10 A at 230 V / 6 A at 400 V
• Ambient Operating Temperature: −25 °C to +55 °C
• Dimensions (H × W × D): approx. 78 mm × 55 mm × 102 mm
• Approximate Weight: 0.48 kg

Compliance & Certifications

• Compliant with EN 50011 standards for industrial relays
• Manufactured according to Siemens quality and reliability standards
• Suitable for industrial control and automation environments

Applications

Designed for auxiliary switching, interlocking, signalling, control logic expansion, and status indication tasks in industrial machinery, control cabinets, and automation systems. Ideal where a large number of NO contacts are required and AC coil operation is preferred.