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Siemens 3VA2140-5JQ42-0AA0
3VA21 4P 40A 55KA ETU5-LSIG NUT Circuit Breaker
Product Description
The 3VA21 circuit breaker is designed for low voltage applications, adhering to IEC standards. It features a 4-pole configuration with a rated current of 40A and a breaking capacity of 55kA at 415V. The electronic trip unit ETU560 provides comprehensive overload protection settings, adjustable from 16A to 40A, and short-circuit protection that can be configured between 0.6 to 12 times the rated current.
This device is suitable for mounting on a DIN rail and has a degree of protection rated at IP40. Notably, it supports connection via lug terminals and includes a nut keeper for secure installation. The circuit breaker is classified under medium breaking capacity (class M), ensuring reliable performance in various operational conditions.
Dimensions for the unit are 5.5 x 7.1 x 4.2 inches. It also includes features such as integrated earth fault protection and accommodates options for motor drive integration.
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Offer details
- Offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees
- Availability:
- On requestLead time: 21 days
- Warranty:
- Not specified
- Condition:
- New Surplus
Specifications
- Brand
- Siemens
- Number of poles
- 4
- Rated voltage
- 690 V
- Motor drive optional
- Motor drive integrated
- Degree of protection (IP)
- IP40
- Rated permanent current Iu
- 40 A
Available Offers
(3)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
![]() | Condition New Surplus | Availability On requestLead time: 21 days | Supplier | Warranty Not specified | |
| Condition New Factory Sealed | Availability On requestLead time: 5 days | Supplier | Warranty Not specified | ||
![]() | Condition New Factory Sealed | Availability On requestLead time to be confirmed | Supplier | Warranty 12 months |
Offer with manufacturer lead time
Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.
Documents
Data Sheet
Datasheet for Siemens 3VA2140-5JQ42-0AA0, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 22-08-2026

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