Siemens
- Available:
- 0 pcs.On RequestUpdated at: 07-09-2026
- Offer from:
Trusted supplier — Germany, member since 2024
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Siemens 5SY4340-8
Miniature Circuit Breaker, 400V, 10kA, 3-pole, D, 40A
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Product Description
Lifecycle Status:
The Siemens Miniature Circuit Breaker, model number 5SY4340-8, is a high-quality electrical protection device designed for industrial applications. This breaker is rated at 400V and 10kA with a 3-pole configuration and a trip characteristic curve D. It features a compact design with dimensions of 54mm in width and 70mm in depth, making it suitable for installation in tight spaces.
The breaker is UL1077 rated and complies with IEC standards. It is equipped with an IEC Mini Circuit Breaker, which ensures reliable protection against electrical faults. The device has a 480VAC rating and a trip current of 40 Amps.
The Siemens Miniature Circuit Breaker is UL File E116386 listed in Vol. 1 Sec. 2, demonstrating its compliance with the highest safety standards. This breaker is an essential component for ensuring the safety and reliability of electrical systems in various industries.
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Offer details
- Best offer from:
Trusted supplier — United Kingdom, member since 2021- Availability:
- 2 pcs.In-StockUpdated at: 31-10-2025
- Condition:
- New Factory Sealed
New Factory Sealed - A brand-new, unused, unopened, undamaged item in its original manufacturer-sealed packaging.
The Seller is responsible for shipping the product and invoicing
Specifications
- Brand
- Siemens
- Voltage type
- AC
- Rated current
- 40 A
- Pollution degree
- 3
- Rated voltage
- 400 V
- Explosion-proof
- Over voltage category
- 3
Available Offers
(3)
Siemens
- Available:
- 0 pcs.On RequestUpdated at: 06-09-2026
- Offer from:
Trusted supplier — Italy, member since 2021, 10–19 employees- Warranty:
- 12 months
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Documents
Data Sheet
Datasheet for Siemens 5SY4340-8, including specifications and features.
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3D CAD model and technical drawings, ready for your design software.
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