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Manufacturer Resources
Spec Sheet
Product Specs
- Amperage Rating:
- 1200A
- Circuit Breaker Type:
- NDC
- Frame:
- NG-frame
- Frequency Rating:
- 50-60 Hz
- Interrupt Rating:
- 200 kAIC at 240 Vac, 100 kAIC at 480 Vac
- Number Of Poles:
- Two-pole
- Series:
- Series G
- Terminals:
- Without terminals
- Trip Type:
- Electronic LS
- Voltage Rating:
- 600 Vac
- Department:
- Electrical
- Product Length:
- 18.5 IN
- Product Height:
- 8.25 IN
- Product Weight:
- 48 LB
- Product Width:
- 8.25 IN
B-LINE NDC212T33W – Frequently Asked Questions
1) Does the B-Line NDC212T33W circuit breaker come with lugs or terminals?
No. The NDC212T33W ships without terminals, so you need to order the NG-frame terminal lugs or bus connection kit separately to land your conductors. On a 1200A two-pole breaker that usually means multiple-barrel mechanical lugs or a bus bar connection, sized to the cable your feeder drawing calls for. Budget for that when you price the job out.
2) What is the interrupting rating on the NDC212T33W, and will it hold up on a 480V service with high available fault current?
The NDC212T33W is rated 200 kAIC at 240 Vac and 100 kAIC at 480 Vac, with a voltage rating up to 600 Vac. On a 480V system, that 100 kA figure is what your engineer compares against the available fault current from the short circuit study. If the calculated fault duty at that panel exceeds 100 kA at 480V, this breaker is not correctly applied and you need a series-rated or higher-AIC solution.
3) Is the NDC212T33W a thermal-magnetic or electronic trip breaker, and does it have ground fault protection?
It is an electronic trip unit, LS type, meaning it provides long-time and short-time adjustable protection. LS does not include an instantaneous or a ground fault function, so if your coordination study calls for LSI or LSIG you need a different trip designation in the NG-frame family. The upside of LS is selective coordination with downstream devices, which is why it gets specified on 1200A main and feeder positions.
4) Will a 1200A two-pole NG-frame breaker fit my existing switchboard section?
Plan around 18.5 by 8.25 by 8.25 inches for the breaker body itself, and note it weighs 48 lb, so it is a two-person lift into a vertical section. Because it ships without terminals, the connection hardware you choose adds to the overall depth and to the wire bending space you need. Verify the section was built for an NG-frame device before you order.
5) Can the NDC212T33W be used on a 600V three-phase system?
The breaker is rated to 600 Vac, but it is a two-pole device. Two poles will protect a single-phase 600V circuit or a two-wire application; a three-phase feeder needs a three-pole breaker in the same NG-frame line. Frequency rating is 50-60 Hz, so it works on either domestic 60 Hz or 50 Hz export equipment.
6) What is the exact part number I should put on the purchase order for this Eaton Series C breaker?
Order by MPN NDC212T33W. That single number carries the whole configuration: NDC breaker type, NG-frame, two-pole, 1200A, electronic LS trip, no terminals. If any one of those is wrong for your application, it is a different catalogue number, not an option you add later.
7) Where do I find the published trip curves and mounting drawings for the NDC212T33W?
Eaton publishes a spec sheet for the NDC212T33W, and it is linked directly from the product information. That document is what your engineer will want for time-current curves and connection detail, since the LS trip unit's long-time and short-time settings are adjustable and the coordination study depends on those bands.
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Does the B-LINE NDC212T33W come with a warranty?
Absolutely. The B-LINE NDC212T33W is backed by a manufacturer’s warranty.
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