ABB XT5HU330ABYN000XXX Molded Case Circuit Breaker
- 300A
- 3 Pole
- Unit Mount
Quantity
ABB XT5HU330ABYN000XXX - 300A 3 Pole Molded Case Circuit Breaker
New
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Description
Engineered for demanding environments, the XT5HU330ABYN000XXX is a 3-pole, 300A molded case circuit breaker from the SACE Tmax XT5 family. It features fully adjustable thermal and magnetic trip units for precise protection. This unit-mount breaker installs into ABB ReliaGear neXT panelboards, SB switchboards, and Tmax XT enclosures. It replaces legacy Tmax T5H series breakers. Rated for 65kAIC at 480VAC, this HACR-rated breaker features current-limiting capabilities.Specifications
| Brand | ABB |
|---|---|
| Series | XT5 |
| Amperage | 300A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 600VAC, 600VDC |
| Phase | 3 |
| AIC Rating | 150kA @ 240VAC, 65kA @ 480VAC, 35kA @ 600VAC, 70kA @ 250VDC, 50kA @ 500VDC, 35kA @ 600VDC |
| Amperage Range | 210-300A |
|---|
| Frame Type | XT5H |
|---|---|
| Terminal Type | Lugs |
| For Use With | ReliaGear neXT Panelboards, ReliaGear SB Switchboards, ABB SACE Tmax XT Enclosures |
| Wire Gauge | 2x 2/0 AWG - 500 kcmil |
| Max Wire | 500 kcmil |
| Min Wire | 2/0 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Adjustable Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Motor Operator, Padlock Attachment, Rotary Handle |
|---|---|
| Accessories | None (Standard Configuration) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CCC, CSA, cULus, HACR, IEC, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting |
Product FAQs
7 answersWhich panelboards and switchboards are compatible with this XT5H circuit breaker?
This unit mount breaker is designed for use in ABB ReliaGear neXT panelboards, ReliaGear SB switchboards, and ABB SACE Tmax XT enclosures.
Can the ABB Tmax XT5 series replace legacy GE Spectra RMS circuit breakers?
Yes, the ABB SACE Tmax XT5 series is the direct replacement for legacy GE Spectra RMS SG frame breakers. ABB offers retrofit kits to install XT5 breakers into existing Spectra plug-in panelboards and switchboards.
What wire sizes do the lugs on the XT5HU330ABYN000XXX accept?
The included lugs accept two copper or aluminum conductors ranging from 2/0 AWG to 500 kcmil.
Is this 300A breaker rated for direct current (DC) applications?
Yes, it is rated for up to 600VDC. It provides an interrupting rating of 70kA at 250VDC, 50kA at 500VDC, and 35kA at 600VDC.
Are the thermal and magnetic trip settings adjustable on this breaker?
Yes, this breaker features a Thermal Magnetic trip unit with both adjustable thermal (Long-Time) and adjustable magnetic (Instantaneous) protection settings to coordinate with your specific system requirements.
What does the H in the XT5H frame designation indicate?
The H indicates a high interrupting capacity tier within the XT5 frame family, providing a 65kAIC rating at 480VAC and 150kAIC at 240VAC.
How does the XT5HU330ABYN000XXX mount into an enclosure or panelboard?
This is a unit mount circuit breaker, meaning it bolts directly to the mounting surface or bus rather than plugging into a chassis.
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