New Square D Masterpact NW12H 1000A Power Circuit Breaker
New Square D Masterpact NW12H — 1200A frame, 1000A sensor plug, UL 489 listed, fixed or drawout. Built to your catalog number and in stock ready to ship.
Specifications
| Model | NW12H |
| Catalog number | WL3CBR43A… — pick mounting and trip unit above; the full number for your configuration is shown below |
| Frame | 1200A (W-frame) |
| Sensor plug | 1000A |
| Interrupting rating | 100 kA @ 240 V, 100 kA @ 480 V, 85 kA @ 600 V |
| Standard | UL 489 listed |
| Mounting | Fixed or Drawout (drawout includes cradle and connectors) |
| Poles | 3-pole (4-pole on request) |
| Trip unit | Micrologic 3.0, 5.0, 6.0 — basic, A, P or H, selectable above |
| Rating plug | UL plug A standard (.4–1.0 × sensor); B–H on request |
| Manufacturer | Square D (Schneider Electric) |
| Condition | New |
| Warranty | 1 year |
| Ships from | Colorado, Texas or California |
Need it rushed?
Tell us your date and we will confirm it on the call. Ships tested, trip unit set to your settings.
Need more than one?
Call for multi-unit pricing and a combined ship date.
Need it configured?
Spring-charging motor, shunt trip, shunt close, undervoltage trip, remote reset, auxiliary contacts, Modbus, key locks, cradle and connectors — use the configurator above or read us the catalog number off the nameplate of the breaker it replaces. Retrofit kits available to drop a Masterpact NW into an old Masterpact MP/MC cell.
Call 1-800-905-2170 for a quote — under 30 minutes. Price covers the breaker, sensor plug, rating plug and selected trip unit; drawout price includes the cradle. Accessories quoted separately.