Siemens 75D70131C Coil – 75D Series – 240/480VAC Snap-In Contactor & Motor Starter Coil (NEMA Size 4)

The Siemens 75D70131C is an AC operating coil designed for Siemens 75D Series NEMA contactors and motor starters. Rated for 240/480VAC, it provides electromagnetic actuation for controlling large industrial motors and loads. The coil is engineered for reliable switching performance in heavy-duty motor control applications and is commonly used in maintenance or replacement of Siemens 75D frame starters.

This version features a snap-in mounting design, allowing easier installation and replacement in compatible 75D starter assemblies.

Voltage and Rating

• Coil Voltage: 240/480VAC
• Frequency: 50/60 Hz
• Coil Type: AC operating coil
• Frame Type: 75D
• NEMA Size: 4

Key Specifications

• Product Type: Contactor / Motor Starter Coil
• Part Number: 75D70131C
• Manufacturer: Siemens
• Series: 75D Series
• Mounting Type: Snap-In
• Connection Type: Screw terminal
• Function: Electromagnetic coil for contactor operation

Compatibility

• Designed for use with Siemens motor starters and contactors:
  • Class 14
  • Class 17
  • Class 18
  • Class 22
  • Class 25
  • Class 26
  • Class 30
  • Class 32
  • Class 40
  • Class 43

Technical Characteristics

• Function: Energizes contactor mechanism to open/close power circuits
• Snap-in design: Simplifies installation and replacement
• Heavy-duty construction: Suitable for industrial duty cycling
• Screw terminals: Secure electrical connection for control wiring
• High-voltage capability: Supports 480VAC industrial control environments

System Role

The coil is the electromagnetic actuator of the starter system:

• Converts control voltage into magnetic force
• Operates main contacts in motor starters
• Enables remote switching via push buttons, PLCs, or control relays
• Does not carry load current itself

Applications

• Motor control centers (MCCs)
• Industrial automation systems
• Pumps and compressor starters
• HVAC equipment
• Conveyor systems
• Heavy industrial motor control circuits

Returns are easy

You may return items within 30 days of delivery for a refund.

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