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Siemens 5SP4380-6
Supplementary Protector 3P 80A 480V Curve B
Product Description
The Supplementary Protector is designed as a three-pole circuit breaker with a rated current of 80 A and a voltage rating of 480 VAC. It is compliant with UL1077 standards and classified as an IEC Mini Circuit Breaker. Its trip characteristic follows Curve B, making it suitable for a variety of applications.
With a width of 81 mm and a depth of 70 mm, this device fits within a compact design while maintaining a pollution degree rating of 3. The built-in depth of 70 mm allows for easy integration into existing systems. The device is rated for a short-circuit breaking capacity of 10 kA at both 230 V and 400 V, ensuring reliable performance in fault conditions.
This unit also features a degree of protection rated at IP20 and is not explosion-proof. It has a rated insulation voltage of 440 V and allows for additional equipment connections. The supplementary protector does not support flush-mounted installation and is designed for modular spacing of 4.5.
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Offer details
- Offer from:
Trusted supplier — Germany, member since 2024 - Availability:
- On requestLead time: 20 days
- Warranty:
- Not specified
- Condition:
- New Factory Sealed
Specifications
- Brand
- Siemens
- Voltage type
- AC
- Rated current
- 80 A
- Pollution degree
- 3
- Rated voltage
- 400 V
- Explosion-proof
- Over voltage category
- 3
Available Offers
(2)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
 | Condition New Factory Sealed | Availability On requestLead time: 20 days | SupplierGermanyTrusted supplier — member since 2024 | Warranty Not specified | |
 | Condition New Factory Sealed | Availability On requestLead time to be confirmed | Supplier ItalyTrusted supplier — member since 2021, 10–19 employees | 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 5SP4380-6, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 18-09-2026
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