NX361200G - 1200 Amp Circuit Breaker
- 65k @ 600VAC; 100k @ 480VAC; 125k @ 240VAC
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NX361200G - 1200 Amp Circuit Breaker Description
NX361200G - 1200 Amp Circuit Breaker
Boost the protection of your power distribution system with the Square D NX361200G molded-case circuit breaker. Designed especially for demanding industrial and commercial settings, this high-capacity breaker offers precise electronic trip control, ease of plug-in installation, and peace of mind for facility operators who can’t afford unplanned downtime.
Key Features and Benefits
- Full electronic protection via Micrologic trip unit: Includes adjustable long-time, short-time, instantaneous, and ground-fault trip zones for layered defense against overloads and faults.
- I-Line plug-in mounting: Simplifies installation, replacement, and panel reconfiguration, helping reduce labor costs and service intervals.
- Customizable trip settings: Fine-tune pickup values and delays to match load behavior, giving you more control over coordination and selectivity.
- Current-limiting design: Helps reduce fault current stress on downstream components during short circuits.
- Three-pole configuration: Ideal for three-phase systems requiring balanced protection across phases.
Technical Specifications
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Rated Current: 1200 A
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Interrupting Capacity (AIC):
- 65 kA @ 600 VAC
- 100 kA @ 480 VAC
- 125 kA @ 240 VAC
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Poles: 3
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Frame Type / Series: NX / I-Line
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Mounting Style: Plug-in (I-Line)
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Trip Functions: Long-Time, Short-Time, Instantaneous, Ground-Fault (all adjustable)
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Dimensions (approx.):
- Width: 14.62 inches
- Height: 12.12 inches
- Depth: 6.43 inches
Material Compliance and Certifications
- Industry Standards: This circuit breaker is built to meet rigorous industry standards. It complies with UL, CSA, NOM, and IEC safety and performance norms, making it acceptable for global installations.
- Design: Its current-limiting architecture also helps reduce mechanical and thermal stress on electrical gear during faults.
Where It Works Best
- The NX361200G is ideal for environments that demand high-capacity, reliable protection:
- Industrial power distribution panels handling large motors, drives, or generator ties.
- Commercial buildings and facilities with critical electrical infrastructure.
- Utility or infrastructure projects where fault current levels are high and selectivity is essential.
- Upgrades or retrofits in existing I-Line systems needing greater ampacity.
Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. All trademarks and registered trademarks are the property of their respective owners.
Specifications
- Width:14.62
- Height:12.12
- Depth:6.43
- A.I.C. Rating & Volts:65k @ 600VAC; 100k @ 480VAC; 125k @ 240VAC
- Type:NX
- Approx Dimensions:14.62"W x 12.12"L x 6.43"D
- Additional Notes:Plug-in, Micrologicå¨, Current-Limiting, Thermal-Magnetic, Molded Case Circuit Breaker. Includes the following standard functions: Adjustable Long-Time Ampere Rating and Delay, Adjustable Short-Time Ampere Rating and Delay, Adjustable Instantaneous Pickup, and Adjustable Ground-Fault Pickup and Delay
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
FREE shipping on breaker orders over $100 and all other items with orders over $500.
CIRCUIT BREAKER SUPERSTORE® 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
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In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.
CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).