Siemens 3VA6340-7HM31-0AA0 Molded Case Circuit Breaker
- 400A
- 3 Pole
- Unit Mount
Quantity
Siemens 3VA6340-7HM31-0AA0 - 400A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for circuit protection, the Siemens 3VA6340-7HM31-0AA0 is a 3-pole molded case circuit breaker rated 400A and 600VAC. Its UL interrupting rating is 100kA at 480VAC. This 3VA6 series breaker has an adjustable electronic trip with LIG functions for long-time, instantaneous and ground fault protection. It measures 9.76 in high, 5.43 in wide and 5.41 in deep.Specifications
| Brand | Siemens |
|---|---|
| Part Number | 3VA6340-7HM31-0AA0 |
| Series | 3VA6 |
| Amperage | 400A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 100kA @ 480VAC, 35kA @ 600VAC |
| Frame Type | 3VA63 |
|---|---|
| Terminal Type | Lugs |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LIG |
| Trip Function | Long-Time, Instantaneous, Ground Fault |
| Trip Adjustability | Adjustable |
| Available Options | Alarm Switch, Auxiliary Switch, Motor Operator, Shunt Trip, Undervoltage Release |
|---|---|
| Standards | IEC 60947-2, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
8 answersHow should I use the 400A rating when selecting the Siemens 3VA6340-7HM31-0AA0?
The rated current is 400A. Use this rating when evaluating circuit load requirements, and coordinate the adjustable electronic trip settings with the conductors and equipment being protected.
How does the 600VAC rating guide voltage selection?
The rated voltage is 600VAC. Check the circuit's operating voltage against this rating, and evaluate interrupting capacity at the applicable system voltage as a separate selection step.
What does the UL 100kA interrupting rating at 480VAC mean for selection?
At 480VAC, the breaker has a UL interrupting rating of 100kA. Compare that rating with the available fault current at the installation point; the available fault current must not exceed the interrupting rating.
Why does the three-pole configuration matter for a three-phase circuit?
This is a three-pole breaker for three-phase applications. The pole count lets it interrupt the three phase conductors, so select it for a circuit requiring three-pole protection.
What is useful about the adjustable electronic trip?
The electronic trip allows protection settings to be adjusted rather than relying solely on fixed trip behavior. Choose settings to match the circuit's protection requirements and coordinate operation with other protective devices.
What protection functions does LIG include?
LIG means long-time, instantaneous and ground-fault protection. These functions address sustained overloads, high-current faults requiring rapid interruption and ground faults, respectively, so consider all three when planning circuit protection.
What dimensions should I use when planning installation space?
The breaker measures 9.76 in high, 5.43 in wide and 5.41 in deep. Use these dimensions to plan its physical footprint, with working space and conductor routing considered separately in the installation layout.
What does fixed mounting mean for installation?
Fixed mounting means the breaker is secured in a stationary position for operation. Plan the installation around that mounting arrangement and access for connections and maintenance.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
- PMPete M.Verified BuyerRated 5 out of 5 stars9/17/26Great price and avail
Great price and showed up when I needed it.
- RSRochelle S.Verified BuyerReviewingSiemens 3VA6225-5HL31-0AA0 - 250A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars10/2/25Smooth Transaction, Great Seller, Solid product
I've ordered from SuperBreakers a couple times over the years. They have great customer service, knowledgeable employees, and I got my breaker in the expected timeline. I HIGHLY RECOMMEND this shop if you are a fellow circuit breaker enthusiast!
Siemens makes a reliable product. Y'all already know.