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Allen Bradley

Allen Bradley 140M-JD8P-D20-W Motor Protection Circuit Breaker

Allen Bradley 140M-JD8P-D20-W 20A 3-Pole Motor Protection Circuit Breaker.

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ManufacturerAllen Bradley

Part number140M-JD8P-D20-W

Current Rating 20A (wide range adjustable)

Voltage 600VAC

Poles 3

Trip Type Thermal-Magnetic

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12-month warranty

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Veteran-owned

CAGE: 9NK75

20A rating with wide adjustment 600VAC voltage 3-pole protection Thermal-magnetic trip Flexible application use Robust design

Product description

The Allen Bradley 140M-JD8P-D20-W is a versatile motor protection circuit breaker (MPCB) offering precise overload and short-circuit protection. This unit is rated for 20A and operates at up to 600VAC with a 3-pole configuration. The 'JD8P' designation suggests a specific frame size and pole configuration, while '-D20-W' indicates a wide adjustable current setting range up to 20A.

This breaker is designed for applications where flexibility in motor protection settings is required, commonly found in custom-built machinery, processing plants, and advanced automation systems. Its ability to handle a wider range of motor currents makes it a valuable component for diverse industrial needs.

Stanlo Automation, a veteran-owned distributor, offers this Allen Bradley 140M-JD8P-D20-W surplus part. We are dedicated to providing reliable, high-quality components to ensure your automation systems operate at peak performance.

Technical specifications

Current Rating	20A (wide range adjustable)
Voltage	600VAC
Poles	3
Trip Type	Thermal-Magnetic
Series	140M
Designation	JD8P, -W

Common applications

Motor control

Industrial machinery

Processing plants

Automation systems

Machine tools

Material handling

Compatible systems

Allen Bradley programmable logic controllers Industrial automation systems Motor control centers

Also known as

Allen Bradley 140M breaker 140M 20A W 140M-JD8P

Replaces / compatible with

Can replace other Allen Bradley 140M series breakers or similar 20A motor protection devices. Verify physical dimensions and electrical ratings for compatibility.

Technical note

Expert tip

The wide setting range requires careful calibration using a motor nameplate's full-load ampere (FLA) rating to ensure optimal motor protection and prevent nuisance tripping.

What happens next?

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Frequently asked questions

What does the 'W' signify in the Allen Bradley 140M-JD8P-D20-W part number?

The 'W' in the Allen Bradley 140M-JD8P-D20-W typically indicates a wider adjustable current setting range compared to standard models. This allows for more precise motor protection across a broader spectrum of applications.