Siemens 5ST3010 Auxiliary Circuit Switch + MCB C6 230/400V, 6A, Used Tested

Siemens 5ST3010 Auxiliary Circuit Switch + MCB C6 230/400V, 6A, Used Tested, 1NO 1NC, DIN Rail

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All the best /Klaus KLJ Trading

Brand: Siemens
Model: 5ST3010 Auxiliary Circuit Switch + MCB C6
Condition: Used, tested working. Signs of prior use, fully functional, ready for installation.

Technical Specifications:

• Auxiliary circuit switch part number: 5ST3010

• Contact configuration: 1 Normally Open (NO) + 1 Normally Closed (NC)

• Nominal voltage: 230/400V AC

• Maximum voltage: 400V (insulation)

• Rated current: 16A (auxiliary), 6A (MCB C6)

• Control voltage range: 12V-400V AC/DC

• Electrical endurance: 10,000 switching cycles

• Surge voltage resistance: 4kV

• Terminals: screw type, AWG 22–12 (0.5–2.5mm²)

• Dimensions: approx. 90mm × 70mm × 9mm

• Mounting: DIN rail, modular

• Certifications: CE, UL, CCC, PG

Main Features:

• Genuine Siemens switch and MCB for circuit status monitoring and protection

• Universal mounting for Siemens 5SL, 5SY, 5SP circuit breakers

• Suitable for industrial power distribution, factory electrical panels, automation projects

Background/Collector Info:
Widely used in industrial and commercial panels, this Siemens auxiliary switch plus MCB combo provides reliable protection and diagnostic feedback. The 5ST3010's auxiliary contacts are ideal for monitoring and remote signalling in automation or CNC applications. Favored by electricians and vintage automation collectors for robust modular designs