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ABB XT1NU3050AYD000XXX Molded Case Circuit Breaker
- 50A
- 3 Pole
- Unit Mount
ABB
XT1NU3050AYD000XXX
Molded Case Circuit Breaker
Brand
ABB
SKU
XT1NU3050AYD000XXX
Quantity
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ABB XT1NU3050AYD000XXX - 50A 3 Pole Molded Case Circuit Breaker
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Description
The ABB XT1NU3050AYD000XXX is a 3-pole, 50A molded case circuit breaker belonging to the SACE Tmax XT1 frame group. It is engineered to provide robust power distribution and equipment protection in demanding environments. Designed specifically for ABB ReliaGear neXT panelboards, this unit features line side panel connectors and load side lugs. It replaces legacy Tmax T1 series breakers. Featuring a fixed thermal-magnetic trip unit, it offers a 25 kAIC interrupting rating at 480VAC.Specifications
| Brand | ABB |
|---|---|
| Series | XT1 |
| Amperage | 50A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 250VDC, 500VDC |
| Phase | 3 |
| AIC Rating | 50kA @ 240VAC, 25kA @ 480VAC, 18kA @ 600Y/347VAC, 36kA @ 250VDC, 36kA @ 500VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | ReliaGear neXT Panelboards |
| Wire Gauge | 10 AWG - 2/0 AWG (Cu/Al) |
| Max Wire | 2/0 AWG |
| Min Wire | 10 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator |
|---|---|
| Accessories | Line Side Panel Connectors, Load Side Lugs Included, Mounting Hardware |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, cULus, IEC, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed, Double Insulated |
Product FAQs
5 answersWhich panelboards are compatible with the XT1NU3050AYD000XXX circuit breaker?
This breaker is designed for integration into ABB and GE ReliaGear neXT panelboards. Because it is a unit mount configuration, verify that your specific chassis has the correct mounting hardware or bus connection kits for XT1 frames.
Are the thermal and magnetic trip settings adjustable on this XT1 breaker?
No. This breaker utilizes a fixed thermal and fixed magnetic (LI) trip unit. Neither the long-time overcurrent pickup nor the instantaneous short-circuit pickup levels can be altered in the field.
What wire sizes and materials are accepted by the terminal lugs?
The factory-installed lugs accept wire gauges ranging from 10 AWG to 2/0 AWG. The terminals are dual-rated for use with both copper (Cu) and aluminum (Al) conductors.
Is this 3-pole breaker suitable for direct current (DC) installations?
Yes, it is fully rated for DC applications, offering a 36kA interrupting capacity at both 250VDC and 500VDC. Always consult ABB technical documentation for the correct series wiring of poles when applying 3-pole breakers to high-voltage DC circuits.
Is the XT1NU3050AYD000XXX a GE or ABB product?
It is an ABB product belonging to the SACE Tmax XT family. Following ABB's acquisition of GE Industrial Solutions, the Tmax XT molded case breakers were integrated into legacy GE distribution equipment, including ReliaGear series panels.
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