ABB T2S040TW Molded Case Circuit Breaker
- 40A
- 3 Pole
- Unit Mount
Quantity
ABB T2S040TW - 40A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Designed for robust industrial applications, the ABB T2S040TW is a 3-pole, 40A molded case circuit breaker from the legacy SACE Tmax T2 series. It utilizes fixed thermal-magnetic trip elements to provide reliable LI overcurrent protection. This unit-mount breaker fits into ABB Tmax T2 enclosures and switchboards. For upgrades, it is replaced by the XT1SU3040AFF000XXX, requiring a Tmax XT adapter. Delivering 35kAIC at 480VAC, this current-limiting MCCB is HACR rated and reverse feed capable.Specifications
| Brand | ABB |
|---|---|
| Series | Tmax T2 |
| Amperage | 40A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC |
| Frame Type | T2 |
|---|---|
| Terminal Type | Lugs |
| For Use With | ABB Tmax T2 Enclosures, Panelboards, Switchboards |
| Wire Gauge | 14-1/0 AWG (Cu/Al) |
| 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, Bell Alarm, DIN Rail Adapter, Motor Operator, Rotary Handle |
|---|---|
| Accessories | Lugs Not Included |
| Standards | CSA C22.2 No. 5.1, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
7 answersWhat equipment is compatible with the T2S040TW breaker?
This T2 frame breaker is designed for direct installation into legacy ABB Tmax T2 enclosures, panelboards, and switchboards.
What wire types and sizes are accepted by the standard lugs?
The factory-installed lugs accept 14 AWG to 1/0 AWG wire and are rated for both copper (Cu) and aluminum (Al) conductors.
Is the T2S040TW suitable for reverse feeding?
Yes, this current-limiting molded case circuit breaker is reverse feed capable, allowing line power to be connected to either the top or bottom terminals.
Can I adjust the trip curve on this 40A breaker?
No, the T2S040TW utilizes a thermal-magnetic trip unit with fixed thermal and fixed magnetic elements for long-time and instantaneous (LI) overcurrent protection.
How does this breaker mount into the panel?
The T2S040TW features a bolt-on connection type. It is a unit-mount breaker that secures to the panelboard or switchboard chassis using bolted hardware rather than a plug-on or DIN rail mechanism.
What is the direct replacement for the legacy Tmax T2 series?
The Tmax T2 series has been superseded by the ABB Tmax XT line. For upgrades, this 40A breaker is typically replaced by part number XT1SU3040AFF000XXX, which requires a Tmax XT adapter to fit existing T2 spaces.
Is this breaker rated for HVAC applications?
Yes, the T2S040TW is HACR rated, meaning it is certified for the specific inrush currents and safety requirements of heating, air conditioning, and refrigeration equipment.
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