Siemens SND69120AG Molded Case Circuit Breaker
- 1200A
- 3 Pole
- Bolt-On
Quantity
Siemens SND69120AG - 1200A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Built for circuit protection, the Siemens SND69120AG molded case circuit breaker has a rated current of 1200A and is rated 600VAC with 3 poles. Its interrupting rating is 35kAIC at 480V. The Sentron series breaker uses an ND frame with bolt-on mounting and terminal connections. Electronic tripping provides long-time, instantaneous and ground fault protection.Specifications
| Brand | Siemens |
|---|---|
| Part Number | SND69120AG |
| Series | SND6 |
| Amperage | 1200A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 35kA @ 480VAC |
| Frame Type | ND |
|---|---|
| Terminal Type | Lugs |
| Wire Gauge | 250-500 kcmil (Cu/Al) |
| Max Wire | 500 kcmil |
| Min Wire | 250 kcmil |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LIG |
| Trip Function | Long-Time, Instantaneous, Ground Fault |
| Trip Adjustability | Adjustable |
| Available Options | Alarm Switch, Auxiliary Switch, Shunt Trip, Undervoltage Release |
|---|---|
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
6 answersHow does the voltage rating guide selection of the Siemens SND69120AG?
The 600VAC rating sets the voltage limit for AC application selection. Choose it for a system voltage within that rating, and evaluate interrupting capacity at the intended operating voltage.
How do I evaluate its interrupting capacity for a 480V installation?
At 480V, the interrupting rating is 35kAIC. The available fault current at the installation point must not exceed that rating.
What protection does the LIG electronic trip perform?
The electronic trip provides long-time, instantaneous and ground-fault protection. Long-time protection addresses sustained overloads, instantaneous protection responds to high fault current without intentional delay, and ground-fault protection responds to current flowing through an unintended ground path.
How do the three poles relate to a three-phase circuit?
This three-phase breaker has three poles, allowing one pole for each phase conductor. Use that pole arrangement when selecting protection for a three-phase circuit.
What does the bolt-on terminal connection mean for installation?
The terminal connection uses bolted electrical joints. Plan the termination work around bolt-on connections rather than treating the terminals as plug-in connections.
What dimensions should I use when planning installation space?
The breaker is 9.00 in wide and 6.00 in deep. Use those dimensions when laying out the breaker location, while allowing additional working space for terminations and installation access.
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