Square D NT1200H1A9SX — 1200A 3-Pole 600V Air Circuit Breaker

The Square D Masterpact NT 1200A (NT1200H1A9SX) is a 1200-amp, 3-pole, 600V drawout air circuit breaker. The Masterpact NT series is designed for main and feeder protection in commercial and industrial applications where space is at a premium. Features drawout construction, Micrologic electronic trip unit, and 65 kAIC interrupting rating. UL 489 listed.

NT1200H1A9SX Specifications

SpecificationValue
Amperage1200A
Poles3
Voltage600V
Interrupt Rating65 kAIC
Frame SizeMasterpact NT
Mounting TypeDrawout
Trip TypeMicrologic 2.0
Trip FunctionLI — Long-Time, Instantaneous
Wire SizePer NEC Table 310.16
Phase3-Phase
StandardsUL 489, NEMA AB-1
Temperature Rating40°C ambient

Key Features

  • 1200A continuous current rating
  • 3-pole, 600V AC
  • 65 kAIC interrupting rating
  • Micrologic 2.0 electronic trip unit
  • Drawout construction
  • Compact design

Applications

  • Commercial main service
  • Industrial feeders
  • Data centers
  • Healthcare facilities

Buy NT1200H1A9SX Circuit Breaker

Square D Masterpact NT Air Circuit Breaker 1200A 3-pole circuit breaker. In stock at AllBreakerSales.com. Call (877) 611-0034 for same-day pricing. Genuine OEM parts, ships from US warehouse.

Brand: Square D | Series: Masterpact NT Air Circuit Breaker | Catalog Number: NT1200H1A9SX

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