ABB / General Electric TB13070 Molded Case Circuit Breaker
- 70A
- 3 Pole
- Unit Mount
Quantity
ABB / General Electric TB13070 - 70A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Engineered with integral fuses, this 70-amp Tri-Break MCCB provides exceptional current-limiting performance. The GE TB13070 delivers a massive 200kAIC interrupt rating at 480VAC, making it ideal for high-fault commercial and industrial systems. It installs easily into GE switchboards, A-Series panelboards, and motor control centers. By drastically reducing let-through current during a fault, this thermal-magnetic breaker prevents extensive damage to your critical downstream infrastructure.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | TB13070-R |
| Series | TB1 |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 200kA @ 480VAC, 100kA @ 600VAC, 100kA @ 250VDC |
| Frame Type | TB1 |
|---|---|
| Terminal Type | Lugs |
| For Use With | GE Switchboards, Motor Control Centers, GE A-Series Panelboards |
| 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, Current Limiter |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | UL 489, NEMA AB-1 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | Current Limiting, Integrally Fused, Non-Interchangeable Trip |
| Special Features | Current Limiting (Integrally Fused) |
Product FAQs
5 answersWhich panelboards and enclosures are compatible with the TB13070 circuit breaker?
This breaker is designed for use in GE switchboards, motor control centers, and GE A-Series panelboards. It utilizes a unit mount configuration rather than a plug-on or draw-out design.
What wire sizes are accepted by the lugs on the TB13070?
The factory-installed lugs accept wire gauges ranging from 14 AWG to 1/0 AWG. They are rated for terminating both copper (Cu) and aluminum (Al) conductors.
What does the current limiting designation mean for the TB13070?
As a current limiting breaker in the Tri-Break family, it clears faults rapidly to reduce the peak let-through current and energy. This provides enhanced protection for downstream components and allows for a high interrupting rating of 200kA at 480VAC.
How is the TB13070 breaker mounted within an enclosure?
It features a unit mount, feed-thru connection type. This means the breaker is bolted directly to the mounting pan or chassis and wired via lugs at both the line and load ends, rather than connecting directly to a panelboard busbar.
Are the thermal and magnetic trip settings adjustable on this breaker?
No. The TB13070 features a fixed thermal and fixed magnetic trip unit. It provides standard long-time and instantaneous (LI) protection for overload and short circuit conditions without user-adjustable dials.
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