Siemens
- Available:
- 10 pcs.In-StockUpdated at: 11-09-2026
- Offer from:
Trusted supplier — Germany, member since 2024- Warranty:
- 24 months
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Siemens 5SY4125-8
Supplementary Protector 1P 25A 400V Curve D
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Manufacturer catalogue image
Product Description
Lifecycle Status:
The Supplementary Protector operates with a single pole and a rated current of 25 Amps. It complies with UL1077 standards and functions effectively at a voltage of 400 V. This device exhibits a trip characteristic of Curve D, making it suitable for inductive loads.
With a compact design, it has a width of 18mm and a built-in depth of 70mm. It is suitable for installation in environments with a pollution degree of 3 and operates effectively within an ambient temperature range of -40 °C. The device is rated for a short-circuit breaking capacity of 10 kA at 230 V and 20 kA at 400 V.
Protection class IP20 ensures that it is safe for use in typical indoor conditions. The rated insulation voltage is 440 V, and it supports conductor cross sections of 0.75 mm² for both solid-core and multi-wired connections. The device is designed for flush-mounted installation and is not explosion-proof.
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Offer details
- Best offer from:
- Trusted supplier — Germany, member since 2024
- Availability:
- 1 pc.In-StockUpdated at: 11-09-2026
- Warranty:
- 24 months
- Condition:
- Refurbished
Refurbished - A refurbished item inspected, cleaned, and repaired to full working order by either the manufacturer or a certified technician. The item is in excellent condition and fully operational.
The Seller is responsible for shipping the product and invoicing
Specifications
- Brand
- Siemens
- Voltage type
- AC
- Rated current
- 25 A
- Pollution degree
- 3
- Rated voltage
- 400 V
- Explosion-proof
- Over voltage category
- 3
Available Offers
(4)Siemens
- Available:
- 0 pcs.On RequestUpdated at: 11-09-2026
- Offer from:
- Trusted supplier — Germany, member since 2024
Siemens
- Available:
- 0 pcs.On RequestUpdated at: 14-09-2026
- Offer from:
Trusted supplier — Italy, member since 2021, 10–19 employees- Warranty:
- 12 months
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Documents
Data Sheet
Datasheet for Siemens 5SY4125-8, including specifications and features.
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TracePartsCAD Models
3D CAD model and technical drawings, ready for your design software.
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