ABB / General Electric THKMA836700 Molded Case Circuit Breaker
- 700A
- 3 Pole
- Bolt-On
Quantity
ABB / General Electric THKMA836700 - 700A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Providing robust thermal-magnetic circuit protection, the THKMA836700 is a 700A, 3-pole molded case circuit breaker from GE's legacy K-Frame family. It delivers a high interrupting capacity of 65kAIC at 240V. This bolt-on breaker is engineered to install into GE A-Series panelboards and motor control centers. It provides a straightforward replacement solution for discontinued TKMA836700 models, helping facility managers avoid costly retrofits to newer platforms.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | THKMA836700-R |
| Series | THKMA |
| Amperage | 700A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC, 500VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 25kA @ 600VAC, 40kA @ 250VDC, 22kA @ 500VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | GE A-Series Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | (3) 3/0 AWG-500 kcmil (Cu/Al) |
| Max Wire | 500 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Lug Kits |
|---|---|
| Accessories | Load Lugs (TCAL81) |
| Standards | CSA C22.2 No. 5, NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Interchangeable Trip, High Interrupting Capacity |
Product FAQs
6 answersWhich panelboards are compatible with the THKMA836700 breaker?
This K-frame breaker is designed for use in GE A-Series panelboards, as well as compatible GE switchboards and motor control centers.
What are the wire size requirements for the lugs on this 700A breaker?
The factory lugs accept three 3/0 AWG to 500 kcmil copper or aluminum conductors per phase. Ensure proper torque specifications are followed during installation.
How does the trip unit function on the THKMA836700?
It features a thermal-magnetic trip unit with fixed thermal protection for long-time overloads and an adjustable magnetic setting for instantaneous short-circuit protection.
Why is this breaker listed under both ABB and General Electric?
ABB acquired GE Industrial Solutions in 2018. Depending on the manufacturing date, this K-frame breaker may feature either GE or ABB branding, but the physical dimensions and performance specifications remain identical.
Can this breaker be used in direct current applications?
Yes, it is rated for DC systems up to 500VDC, providing a 40kA interrupting capacity at 250VDC and 22kA at 500VDC. Verify your specific DC system grounding and pole wiring requirements before installation.
What safety precautions are required when adjusting the magnetic trip settings?
Adjustments to the instantaneous magnetic trip dial should only be made by qualified personnel when the breaker is de-energized. The settings must coordinate with your system's short-circuit study and arc flash hazard analysis.
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