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Allen-Bradley 80026-044-06 500-Series Contactor Coil

Configured for electromagnetic armature actuation in motor control centers, the Allen-Bradley 80026-044-06 (80026-044-06 Contactor Coil) provides direct physical/electrical execution. This industrial-grade coil establishes the primary magnetizing force required to mechanically close power contacts within NEMA-style contactor structures. Operating on standard control voltages, the component sustains continuous cycling profiles while maintaining physical and electrical insulation integrity under high thermal loads without degrading nominal holding current capacity.

Hardware Specifications

Parameter Specification
Model 80026-044-06
Brand Allen-Bradley
Origin United States
Weight 9.35 lbs
Dimensions Standard NEMA Size 0 / Size 1 coil frame dimensions
Operating Temp 0 to 60 deg C (Nominal control panel ambient)
Power Consumption Determined by contactor frame sealed/inrush VA rating
Coil Type Electromagnetic contactor coil
Voltage Rating 120 VAC (Nominal)
Frequency 50/60 Hz
Insulation Class Industrial-grade varnish-sealed winding
Mechanical Compatibility Allen-Bradley NEMA Size 0 and Size 1 contactors / 500-series frames
Construction Material Copper winding with molded coil housing

Backplane Bus Communication Velocity and IO Density Scaling

Within integrated Allen-Bradley architectures, discrete motor starters coordinate directly with localized I/O density scaling infrastructure across deterministic networks. The excitation status of the 120 VAC coil interface links directly to interposing relay outputs, mapping physical contactor execution to the controller backplane bus communication velocity. Proper inductive load suppression prevents high-frequency transient interference from disrupting backplane logic or introducing data packet corruption across adjacent chassis communication channels.

Frequently Asked Questions

Q: What causes premature thermal breakdown or insulation failure in this coil assembly?

A: Premature failure is typically caused by mechanical binding within the contactor armature, preventing the magnet frame from sealing completely. This creates a continuous inrush current state, exceeding the thermal dissipation capacity of the varnish-sealed copper windings.

Q: Can this 120 VAC coil be utilized on 110 VAC or 115 VAC control circuits?

A: Yes. The coil is engineered to operate within standard NEMA voltage tolerance limits (+10% / -15%), allowing stable mechanical actuation across normal 110 VAC to 120 VAC control fluctuations at 50/60 Hz.

Field Installation Guidelines

  • De-energization and Lockout: Disconnect and lock out all upstream primary power and auxiliary control voltage sources before exposing the contactor housing. Verify the absence of voltage via a calibrated digital multimeter.
  • Mechanical Alignment: Ensure the coil seats squarely within the internal NEMA Size 0 or Size 1 magnet frame guide slots. Improper alignment prevents the armature from closing fully, leading to audible hum and eventual coil burnout.
  • Torque Specifications and Terminal Wiring: Secure all mechanical housing fasteners to standard NEMA frame specifications. Tighten control wiring terminals firmly to prevent high-resistance connection points, while ensuring no stress is applied directly to the internal fine copper wire lead welds.
  • Transient Suppression: Install an appropriate RC suppressor circuit parallel to the coil terminals to mitigate high-voltage inductive spikes during de-energization cycles.

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