ABB XT4NU3200AY8000XXX Molded Case Circuit Breaker
- 200A
- 3 Pole
- Unit Mount
ABB
XT4NU3200AY8000XXX
Molded Case Circuit Breaker
Brand
ABB
SKU
XT4NU3200AY8000XXX
Quantity
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ABB XT4NU3200AY8000XXX - 200A 3 Pole Molded Case Circuit Breaker
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Description
Operating within the SACE Tmax XT4 family, the ABB XT4NU3200AY8000XXX is a 3-pole, 200A molded case circuit breaker designed for high-performance industrial power distribution. It utilizes a fixed thermal-magnetic trip unit to ensure precise overcurrent protection. This unit mount breaker is fully compatible with ABB ReliaGear neXT panelboards and SB switchboards, and replaces legacy T4N200TW models via a retrofit kit. Rated for 65kAIC at 240V, it includes current-limiting technology.Specifications
| Brand | ABB |
|---|---|
| Series | XT4 |
| Amperage | 200A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 250VDC, 600VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC, 18kA @ 600Y/347VAC, 35kA @ 250VDC, 35kA @ 600VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | ABB ReliaGear neXT Panelboards, ABB ReliaGear SB Switchboards |
| Wire Gauge | 4 AWG - 300 kcmil |
| Max Wire | 300 kcmil |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Auxiliary Switch, Shunt Trip, Undervoltage Release, Padlock Attachment, Motor Operator, Rotary Handle |
|---|---|
| Accessories | Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CCC, CE, CSA, cULus, IEC, KEMA, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
7 answersWhich panelboards are compatible with the ABB XT4NU3200AY8000XXX circuit breaker?
This unit mount breaker is designed for use with ABB ReliaGear neXT Panelboards and ABB ReliaGear SB Switchboards.
What wire sizes are accepted by the standard lugs on this 200A XT4 breaker?
The factory-installed lugs accept wire gauges ranging from 4 AWG to 300 kcmil.
Can the XT4NU3200AY8000XXX be used in DC electrical systems?
Yes, this breaker is rated for DC applications, providing 35kA interrupting capacity at both 250VDC and 600VDC.
Are the trip settings adjustable on this XT4 frame breaker?
No, this breaker features a thermal-magnetic trip unit with fixed thermal and fixed magnetic settings for long-time and instantaneous (LI) protection.
What does the "N" in the XT4NU3200AY8000XXX catalog number indicate?
The "N" designates a Normal interrupting capacity rating, which provides 65kA at 240VAC and 25kA at 480VAC.
How does the XT4NU3200AY8000XXX mount inside an enclosure?
This is a unit mount circuit breaker, meaning it bolts directly to the mounting pan or chassis rather than plugging onto a busbar.
What safety precautions should be taken before installing this breaker in a ReliaGear panelboard?
Always de-energize the panelboard, verify power is off using a properly rated voltage detector, and follow standard lockout/tagout procedures before installing or servicing unit mount breakers.
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