ABB T1N020TL Molded Case Circuit Breaker
- 20A
- 3 Pole
- Panel Mount
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ABB T1N020TL - 20A 3 Pole Molded Case Circuit Breaker
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Description
The T1N020TL is a 3-pole, 20A molded case circuit breaker from ABB's legacy SACE Tmax family. It provides robust commercial and industrial protection using fixed thermal-magnetic LI trip elements. This panel-mount breaker installs into ABB Spectra and ReliaGear panelboards. It serves as a direct replacement for existing setups, with the XT1 series acting as its modern substitute via retrofit kits. Rated 22kAIC at 480VAC, it features double insulation and reverse feed capability.Specifications
| Brand | ABB |
|---|---|
| Series | T1N |
| Amperage | 20A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 250VDC, 500VDC |
| Phase | 3 |
| AIC Rating | 50kA @ 240VAC, 22kA @ 480VAC, 10kA @ 600Y/347VAC, 25kA @ 250VDC, 25kA @ 500VDC |
| Frame Type | T1 |
|---|---|
| Terminal Type | Lugs |
| For Use With | ABB Spectra Panelboards, ABB ReliaGear Panelboards, ABB Tmax Enclosures |
| Wire Gauge | 14 AWG - 1/0 AWG (Cu) |
| Max Wire | 1/0 AWG |
| Min Wire | 14 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, DIN Rail Adapter, Padlock Attachment, Motor Operator |
|---|---|
| Accessories | Lugs |
| Standards | CSA C22.2 No. 5.1, IEC 60947-2, UL 489 |
| Approval | CSA, HACR, IEC, UL |
| Temp Rating | 40C |
| Construction Features | Double Insulation, Positive Operation, Reverse Feed, HACR Rated |
Product FAQs
8 answersWhat panelboards are compatible with the T1N020TL?
This breaker installs directly into ABB Spectra Panelboards, ABB ReliaGear Panelboards, and ABB Tmax Enclosures.
What does the N in the T1N020TL catalog number indicate?
The N designates the interrupting capacity level as Normal. For the Tmax T1 frame, this provides a maximum interrupting rating of 22kAIC at 480VAC.
Are the trip settings adjustable on this circuit breaker?
No, the T1N020TL features a fixed thermal and fixed magnetic trip unit. The long-time and instantaneous trip thresholds are factory set and cannot be adjusted in the field.
What wire sizes are accepted by the standard lugs on the T1N020TL?
The standard lugs are designed to accept copper wire ranging from 14 AWG to 1/0 AWG.
Can the T1N020TL be used in DC electrical systems?
Yes, this breaker is rated for DC applications up to 500VDC. It provides an interrupting capacity of 25kAIC at both 250VDC and 500VDC.
Is the Tmax T1 series still the current generation of ABB breakers?
The T1N020TL is part of the legacy SACE Tmax T series. For modern substitutes, ABB has transitioned to the newer Tmax XT series. Specifically, the XT1 frame can serve as a replacement when used with the appropriate retrofit kits.
Does this breaker support DIN rail mounting?
Yes, the T1N020TL is designed for standard panel mounting and is also compatible with DIN rail mounting configurations.
What type of connection does the T1N020TL utilize?
This breaker utilizes a feed-thru connection type, allowing power to pass directly through the unit in standard distribution setups.
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