Square D QO370VH Miniature Circuit Breaker – 70A – 3 Pole – 240V – Plug-In – VISI-TRIP – QO Series

In stock
SKU: QO370VH GTIN/UPC: 78590106023
Regular price $337.40
CONDITION
Need Reconditioned? Get Price by Calling
Call Us
Secure transaction
FREE & fast shipping on orders over $149
1 year warranty
30 day returns

Ask an expert

The Square D QO370VH is a QO-series miniature circuit breaker designed for plug-in installation in QO load centers, NQ/NQOD panelboards, and OEM distribution systems. It provides thermal magnetic protection for overload and short-circuit conditions, along with a VISI-TRIP indicator for quick fault identification. This breaker is built for dependable performance in residential, commercial, and light industrial three-phase distribution systems.

Electrical Ratings

  • Current Rating: 70 A
  • Voltage Rating: 240 VAC
  • Frequency: 50/60 Hz
  • Phase: 3 Phase
  • Poles: 3 Pole
  • Interrupting Rating: 22 kA @ 240 VAC

Protection and Function

  • Trip Technology: Thermal Magnetic
  • Trip Function: Common Trip (Overload + Short-Circuit Protection)
  • Protection Type: Branch / feeder circuit protection
  • Application: Power distribution in panelboard systems

Configuration and Function

  • Series: QO Series (Square D / Schneider Electric)
  • Model: QO-VH
  • Catalog Number: QO370VH
  • Frame Type: QO Miniature Frame
  • Mounting Style: Plug-On
  • Terminal Type: Box Lug
  • Compatibility: QO Load Centers, NQOD Panelboards, OEM interiors

Mechanical and Physical Characteristics

  • Compact QO-frame molded breaker design
  • Plug-on installation for fast panel integration
  • Integrated VISI-TRIP fault indicator for quick troubleshooting
  • Box lug terminal connections for secure wiring
  • Designed for three-phase distribution applications
  • Durable construction for long operational life in panelboards

Standards and Certifications

  • UL Listed
  • CSA Certified
  • Manufactured by Schneider Electric / Square D
  • Designed for North American electrical distribution standards

Features

  • Thermal magnetic protection for overload and short-circuit faults
  • VISI-TRIP indicator for fast fault identification
  • Plug-on mounting system for QO panel compatibility
  • Compact design for high-density panel layouts
  • Suitable for residential, commercial, and light industrial systems
  • Reliable performance in QO and NQ/NQOD panelboards
  • Consistent Square D protection and build quality


  • Type Circuit Breakers
  • Vendor Square D
  • Brand Square D

Returns are easy

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

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.