Siemens 3VA6340-8JQ31-0AA0 Molded Case Circuit Breaker
- 400A
- 3 Pole
- Panel Mount
Siemens
3VA6340-8JQ31-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA6340-8JQ31-0AA0
Quantity
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Siemens 3VA6340-8JQ31-0AA0 - 400A 3 Pole Molded Case Circuit Breaker
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Description
Part of Siemens' SENTRON 3VA6 family, the 3VA6340-8JQ31-0AA0 is a 3-pole, 400A MCCB. Engineered for commercial and industrial applications, it provides reliable system protection with microprocessor-based sensing. This unit installs into Siemens P3, P4, and P5 panelboards and motor control centers. Rated for 150 kAIC at 480VAC, it features an ETU560 electronic trip unit offering adjustable LSIG protection. Additional benefits include HACR certification, reverse feed, and integrated metering.Specifications
| Brand | Siemens |
|---|---|
| Part Number | 3VA6340-8JQ31-0AA0 |
| Series | 3VA6 |
| Amperage | 400A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 150kA @ 480VAC, 50kA @ 600VAC |
| Amperage Range | 160-400A |
|---|
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P3, P4, P5 Panelboards, Switchboards, Motor Control Centers |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSIG |
| Trip Function | Long-Time, Short-Time, Instantaneous, Ground Fault |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Rotary Handle, Communication Module, Lug Kits |
|---|---|
| Accessories | Nut Keeper Kit |
| Standards | CSA C22.2 No. 5, EN 60947-2, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | ABS, CE, CSA, cULus, EAC, IEC, RCM, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed, 80% Rated, Non-Interchangeable Trip |
Product FAQs
8 answersWhat is the adjustable overload range for the 3VA6340-8JQ31-0AA0?
The ETU560 LSIG electronic trip unit allows the continuous current setting (Ir) to be adjusted from 160A to 400A.
What specific trip unit is installed in this 400A Siemens breaker?
It features a Siemens ETU560 electronic trip unit equipped with an LCD display, providing adjustable Long-Time, Short-Time, Instantaneous, and Ground-Fault (LSIG) protection.
What are the short-time and instantaneous pickup ranges for this trip unit?
The short-time pickup (Isd) is adjustable from 0.6 to 10 times the rated current. The instantaneous pickup (Ii) is adjustable from 1.5 to 10 times the rated current.
How is the ground-fault protection configured on the 3VA6340-8JQ31-0AA0?
The ground-fault pickup (Ig) is adjustable from 0.2 to 1.0 times the rated current, with a time delay (tg) adjustable between 0.05 and 0.8 seconds.
What does the breaking capacity class L indicate for the 3VA6340-8JQ31-0AA0?
The class L designation indicates a high-tier interrupting capacity, delivering 200kA at 240V AC and 150kA at 480V AC for demanding industrial power systems.
What frame size is the 3VA6340-8JQ31-0AA0, and where can it be installed?
This is a 3VA63 frame circuit breaker. It is designed for panel mount installations in Siemens P3, P4, and P5 panelboards, as well as standard switchboards and motor control centers.
Is the 3VA6340-8JQ31-0AA0 capable of network communication?
Yes, 3VA6 breakers with the ETU560 trip unit can integrate into energy management systems using Siemens COM800 or COM100 data servers and powerconfig software.
Can this 3-pole breaker provide neutral conductor protection?
Yes, neutral protection can be implemented by connecting an external neutral current transformer to the electronic trip unit.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
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Rating
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.