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Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
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Circuit Breaker
Square D | 989370 | Circuit Breaker | 70A | 3-Pole | 240V | Bolt-On
★★★★★
| Part Number | 989370 |
| Amperes | 70 |
| Poles | 3 |
| Voltage | 240 |
| Product Type | Circuit Breaker |
Regular price
$310.00
Sale price
$310.00
Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Square D | 989370 | Circuit Breaker | 70A | 3-Pole | 240V | Bolt-On
Regular price
$310.00
Sale price
$310.00
Regular price
Unit price
Product description
Shipping
Meet the Square D 989370 Circuit Breaker — a robust solution engineered for reliable overcurrent protection in demanding electrical systems. At 70A, with a 3-pole configuration for 240V operations, this bolt-on breaker is the practical choice for maintenance, retrofit, and replacement projects where exact specifications matter.
Why this breaker stands out:
- 70 Amp protection tailored for feeders and motor circuits in commercial and light industrial panels, helping prevent damage from overloads while keeping essential equipment running smoothly.
- 3-Pole, 240V design supports three-phase systems, enabling synchronized shutdown and safer operation across all phases in demanding machinery and distribution setups.
- Bolt-On mounting offers a straightforward, secure installation in compatible Square D panels, reducing service time and ensuring dependable contact.
- Part number 989370 is your best compatibility reference — confirm fit and ratings against your panel’s listing before ordering to ensure a perfect match.
Who should consider this model? Facilities managers, electricians, and maintenance teams performing panel upgrades, replacements, or new installations where a 70A, 3-pole, 240V bolt-on breaker is specified. It’s an ideal fit for equipment rooms, service enclosures, and distributed electrical networks that rely on precise, dependable protection.
Key use scenarios:
- Replacing a failed 70A 3-pole 240V breaker in a Square D bolt-on panel without altering other components.
- Retrofit projects where a 3-phase 240V solution is required to support upgraded motors or power distribution.
- Maintenance cycles that demand a ready-to-install, compatible replacement part to minimize downtime.
Practical installation notes:
- Verify that your panel accepts bolt-on breakers and that voltage and amperage ratings align with your system requirements.
- Keep the reference part number 989370 handy as the primary compatibility check during ordering.
- Ensure proper safety procedures and power isolation before installation or replacement.
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