088-0401-2 - Newmar Power Newmar 40 Amp Single Pole Breaker W/ | Aztek Computers
29+Years
SKU: H73LMJO7GI |  Mfg. Part: 088-0401-2  | 
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088-0401-2 - Newmar Power Newmar 40 Amp Single Pole Breaker W/ Black Throw

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Condition: New

$70.21  $94.78
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Product Overview

All circuit breakers offered by NEWMAR are UL recognized and CSA listed for AC and DC
systems and meet USCG requirements as a qualified circuit protection device.

Single and Double Pole

Fit all NEWMAR electrical panels, as well as most other brands

  • Feature magnetic-hydraulic "trip-free" mechanism
  • 5-30 amp rated to 65 VDC or 277 VAC; 40, 50 amp rated to 32 VDC or 120 VAC (See rating note below).
  • Mounting scrws not provide order separatly
  • #10 screw terminals on rear for wiring

Options

  • Red, white or black toggle handles
  • Single pole values: 5, 10, 15, 20, 25, 30, 40 or 50 amp.
  • Double pole values: 15, 20, 30 or 50 amp

Important Circuit Breaker Rating Note: Standard series breakers shown on this page which are rated higher than 30 amps are acceptable for use in 230 VAC Line-to-Line systems (where each leg is 115 VAC - to - neutral), but are not rated for 230 VAC line-to-neutral systems.


Expert Overview

The Newmar 40 Amp Single Pole Breaker with Black Throw, part number 088-0401-2, is a circuit protection device designed for integration into AC and DC electrical systems. This component is suitable for IT infrastructure and other business applications requiring reliable circuit interruption. It features a magnetic-hydraulic "trip-free" mechanism, ensuring consistent performance. The breaker is UL recognized and CSA listed, meeting USCG requirements for qualified circuit protection. It is rated for use in systems up to 32 VDC or 120 VAC. This single pole breaker is compatible with all Newmar electrical panels and most other brands, providing a versatile solution for system upgrades or new installations. It addresses the need for robust overcurrent protection in environments where equipment safety and operational continuity are critical.

Product Details

  • Manufacturer:
  • Model Number:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • Newmar Power
  • 088-0401-2
  • New
  • 5 lbs
  • 5 X 5 X 5
  • Aug 03, 2026
  • Nov 24, 2025
Product Identifiers: Brand: Newmar Power • Part #: 088-0401-2 • Category: Circuit Breakers

Frequently Asked Questions

What are the voltage ratings for this 40 amp breaker?

This 40 amp single pole breaker is rated for use in systems up to 32 VDC or 120 VAC. It is acceptable for 230 VAC Line-to-Line systems (where each leg is 115 VAC to neutral), but not for 230 VAC line-to-neutral systems.

Is this circuit breaker compatible with non-Newmar electrical panels?

Yes, this circuit breaker is designed to fit all Newmar electrical panels, as well as most other brands, offering broad compatibility for various system configurations.

What type of mechanism does this breaker utilize?

The Newmar 40 Amp Single Pole Breaker features a magnetic-hydraulic "trip-free" mechanism, which provides reliable circuit protection.

Are mounting screws included with the breaker?

No, mounting screws are not provided with the breaker and must be ordered separately. The breaker uses #10 screw terminals on the rear for wiring connections.

088-0401-2 - Newmar Power Newmar 40 Amp Single Pole Breaker W/ Black Throw

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