Siemens Contactor relay, screw, 4NO + 4NC, 230VAC, 50Hz - 60Hz Part number 3TH4293-0AP0

Product Overview

The Siemens 3TH4293-0AP0 is an auxiliary contactor relay from the SIRIUS series (type 3TH4, size 0) featuring 4 normally-open (NO) and 4 normally-closed (NC) auxiliary contacts. It is designed for AC control voltage operation (230 V AC at 50 Hz or 277 V AC at 60 Hz) and is suitable for snap-on mounting on a 35 mm DIN rail or screw mounting. The device is ideal for compact switching and control circuits in industrial automation systems.

Key Features

• Auxiliary contactor relay, SIRIUS 3TH4 series, size 0
• Contact configuration: 4 NO + 4 NC auxiliary contacts
• Control supply voltage: 230 V AC (50 Hz) or 277 V AC (60 Hz)
• Screw-type terminals for secure connections
• Mounting: Screw and snap-on on 35 mm DIN rail (according to DIN EN 50022)
• Ambient operating temperature range: –25 °C to +55 °C
• Compact design: width ~45 mm, height ~78 mm, depth ~102 mm

Technical Specifications

• Article Number: 3TH4293-0AP0
• Product Type: Contactor relay, SIRIUS 3TH4 size 0
• Contact Configuration: 4 NO + 4 NC auxiliary contacts
• Control Supply Voltage: 230 V AC at 50 Hz / 277 V AC at 60 Hz
• Operating Current (AC-15): 10 A at 230 V AC; 6 A at 400 V AC
• Mounting Dimensions: Width: 45 mm; Height: 78 mm; Depth: 102 mm
• Protection Rating (Front): IP20
• Ambient Operating Temperature: –25 °C to +55 °C
• Number of Contact Blocks: Single auxiliary contactor relay unit

Compliance & Certifications

• Complies with industrial automation standards for auxiliary switching devices
• Tested for high-reliability performance with a B10 value of 1,000,000 switching cycles at 0.3 × Ie
• Designed for mounting in industrial control cabinets and DIN-rail systems

Applications

The Siemens 3TH4293-0AP0 auxiliary contactor is ideal for use in control panels, automation switchgear, building management systems and machine control stations where reliable auxiliary switching is required. Typical applications include monitoring and signalling contact blocks, additional switching contacts for main contactors, control loops for automation processes and conventional relay interlock functions in industrial installations.