Eaton / Cutler-Hammer NDC312T33W Molded Case Circuit Breaker
- 1200A
- 3 Pole
- Unit Mount
Quantity
Eaton / Cutler-Hammer NDC312T33W - 1200A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Constructed for demanding industrial environments, the Eaton NDC312T33W is a 3-pole, 1200A Series C molded case circuit breaker. This N-Frame breaker features a unit mount configuration for Eaton panelboards and switchboards. Equipped with a Digitrip 310 electronic trip unit, it offers adjustable LS settings and delivers a high interrupting capacity of 100kAIC at 480VAC. For modern facility upgrades, this model is replaced by the Power Defense PDG53P1200E2NN.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | NDC312T33W |
| Series | NDC |
| Amperage | 1200A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 100kA @ 480VAC, 50kA @ 600VAC |
| Amperage Range | 600-1200A |
|---|
| Terminal Type | Lugs |
|---|---|
| For Use With | Eaton Series C Panelboards, Switchboards, Motor Control Centers |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LS |
| Trip Function | Long-Time, Short-Time |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Lug Kits, Rating Plugs |
|---|---|
| Accessories | Without Terminals |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Current Limiting, True RMS Sensing, 80% Rated |
Product FAQs
7 answersDoes the NDC312T33W include a rating plug?
No, this breaker does not include a rating plug. A compatible Series C N-Frame rating plug, such as the 12NES1200T, must be installed to establish the continuous current rating.
Are terminal lugs included with this circuit breaker?
No, the NDC312T33W is supplied without terminal lugs. A compatible N-Frame lug kit, such as the TA1200NB1 which accepts four 4/0 AWG to 500 kcmil wires per phase, is required for wire termination.
What protection functions does the Digitrip RMS 310 provide on this breaker?
The trip unit provides adjustable Long-Time and Short-Time (LS) protection. It does not include instantaneous or ground fault protection functions.
Is the trip unit on the NDC312T33W interchangeable?
No, this model is built with a non-interchangeable trip unit. The Digitrip RMS 310 is factory installed and cannot be swapped for a different trip unit in the field.
What equipment is compatible with the NDC312T33W?
This N-Frame breaker is designed for installation in Eaton and Cutler-Hammer Series C panelboards, switchboards, and motor control centers.
Can the NDC312T33W be reverse fed?
Yes, Eaton Series C N-Frame molded case circuit breakers are suitable for reverse feed applications in low voltage systems.
What is the modern replacement for the NDC312T33W?
For new installations or facility upgrades, Eaton replaces this Series C model with the Power Defense series, specifically catalog number PDG53P1200E2NN.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
100 SuperPoints = $1 off.
Warranties
Add an extra year of protection
60-Day Warranty
Your purchase includes 60 days of SuperBreakers warranty coverage.
Add a 1-year warranty extension in your cart.
Get a Quote
Don’t see what you’re looking for?
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
Same Day Shipping
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.