Siemens 3VA6340-5KL31-0AA0 Molded Case Circuit Breaker
- 400A
- 3 Pole
- Panel Mount
Siemens
3VA6340-5KL31-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA6340-5KL31-0AA0
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Siemens 3VA6340-5KL31-0AA0 - 400A 3 Pole Molded Case Circuit Breaker
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Description
Delivering advanced power monitoring, the Siemens 3VA6340-5KL31-0AA0 electronic trip molded case circuit breaker supports commercial and industrial applications. This three-pole breaker mounts into Siemens P3, P4, and P5 panelboards or switchboards. Using a retrofit kit, it replaces discontinued JD63B400 breakers to modernize existing systems. It utilizes an ETU820 trip unit with an LCD screen, offering adjustable LI protection and a 35kA interrupting rating at 480V.Specifications
| Brand | Siemens |
|---|---|
| Series | 3VA6 |
| Amperage | 400A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 35kA @ 480Y/277VAC, 35kA @ 480VAC, 18kA @ 600Y/347VAC, 18kA @ 600VAC |
| Amperage Range | 160-400A |
|---|
| Frame Type | 3VA63 |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P3, P4, P5 Panelboards, Switchboards, Motor Control Centers |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Available Options | Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release, Motor Operator, Rotary Handle, Lugs, Nut Keeper Kit, Communication Module |
|---|---|
| Accessories | Lugs Not Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed, True RMS Sensing |
Product FAQs
7 answersWhat panels and switchboards is the 3VA6340-5KL31-0AA0 compatible with?
This breaker is designed for installation in Siemens P3, P4, and P5 panelboards, as well as Siemens switchboards and motor control centers.
What trip unit is equipped on the 3VA6340-5KL31-0AA0?
It features the ETU820 solid state electronic trip unit. This provides adjustable Long-Time and Instantaneous protection, plus an integrated LCD for metering and diagnostics.
Are the trip settings adjustable on the 3VA6340-5KL31-0AA0?
Yes, the ETU820 allows you to adjust both the continuous current for overload protection and the instantaneous short-circuit pickup to coordinate with your specific system requirements.
Is the 3VA6340-5KL31-0AA0 rated for 100 percent continuous load?
No, this 400A 3VA63 frame breaker is standard 80 percent rated. Siemens requires stepping up to the 600A 3VA64 frame to achieve a 100 percent continuous current rating at 400A.
What wire sizes are compatible with the lugs on this 3VA63 frame breaker?
When equipped with standard single-cable aluminum lugs, it accepts 1 AWG to 600 kcmil copper or aluminum wire. Optional dual-cable lugs are also available to accept 2/0 AWG to 600 kcmil wire.
Can the 3VA6340-5KL31-0AA0 communicate with power monitoring systems?
Yes, the ETU820 trip unit supports retrofittable communication modules. It can transmit current, voltage, and energy data to external monitoring and automation systems.
Does the 3VA6340-5KL31-0AA0 include maintenance mode for arc flash reduction?
Yes, Siemens 3VA6 breakers with electronic trip units include DAS+ (Dynamic Arc Flash Sentry) Arc Energy Reduction as a standard feature to meet National Electrical Code requirements for maintenance mode.
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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.