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ABB XT1NU3050AFD000XXX Molded Case Circuit Breaker
- 50A
- 3 Pole
- Unit Mount
ABB
XT1NU3050AFD000XXX
Molded Case Circuit Breaker
Brand
ABB
SKU
XT1NU3050AFD000XXX
Quantity
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ABB XT1NU3050AFD000XXX - 50A 3 Pole Molded Case Circuit Breaker
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50A 3 Pole Molded Case Circuit Breaker
50A 3 Pole Molded Case Circuit Breaker
50A 3 Pole Molded Case Circuit Breaker
Description
A direct replacement for the legacy T1N050TL, this 3-pole, 50A MCCB belongs to ABB's SACE Tmax XT family. It is engineered for commercial applications requiring reliable long-time and instantaneous (LI) protection. This unit-mount breaker installs into ReliaGear SB switchboards and enclosures. It includes load side lugs and mounting hardware for streamlined integration. Rated at 50kAIC at 240V, it utilizes a fixed thermal-magnetic trip unit (TMF) and features a HACR-rated design.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 SB Switchboards, Enclosures |
| Wire Gauge | 10 AWG - 2/0 AWG |
| 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 | Load Side Lugs Included, Mounting Hardware |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, cULus, HACR, IEC, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed, Double Insulated |
Product FAQs
6 answersWhat legacy circuit breaker does the XT1NU3050AFD000XXX replace?
This breaker is a direct replacement for the legacy GE T1N050TL. It is part of the ABB SACE Tmax XT family and integrates into ReliaGear SB switchboards and enclosures.
What does the N in the XT1NU3050AFD000XXX part number indicate?
The N designates a Normal interrupting capacity frame. For this specific XT1 model, it provides a maximum interrupting rating of 50kA at 240VAC.
Can I adjust the trip settings on this 50A breaker?
No, this breaker features a Thermal Magnetic Fixed trip unit. Both the long-time overload and instantaneous short circuit protection functions are fixed and cannot be adjusted in the field.
What type of wire is accepted by the load side lugs?
The included load side lugs are CuAl rated, meaning they accept both copper and aluminum wire. The supported wire range is 10 AWG to 2/0 AWG.
How is this breaker mounted in a panel?
This is a unit mount circuit breaker. It bolts directly to the backpan or mounting plate of the enclosure or switchboard, rather than plugging onto a busbar.
Is the XT1NU3050AFD000XXX suitable for reverse feed applications?
Yes, this molded case circuit breaker is reverse feed capable. It is also HACR rated for use with heating, air conditioning, and refrigeration equipment.
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