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Siemens 5ST3666-2HG
UL 489, 480Y/277V Infeed Busbar Terminal
Product Description
The UL 489, 480Y/277V Infeed Busbar Terminal is designed to provide reliable electrical connections in industrial applications. This terminal is rated for a maximum current of 50 mm2, making it suitable for use with MCB 5SJ4...-.HG. The terminal is constructed from high-quality materials, ensuring durability and resistance to corrosion. It is also designed to meet the safety standards set by UL 489, providing peace of mind when used in critical applications.
The terminal features a compact design, making it easy to install and maintain. The terminal is equipped with a secure locking mechanism that ensures a tight connection, reducing the risk of electrical faults. Additionally, the terminal is designed for use with 480Y/277V power supplies, making it suitable for a wide range of industrial applications.
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Offer details
- Offer from:
Trusted supplier — Germany, member since 2024
- Availability:
- 5 pcs.Updated at: 15-09-2026In-Stock
- Warranty:
- 24 months
- Condition:
- New Surplus
Specifications
- Brand
- Siemens
- EF013236
- EF013237
- Model / design of the product
- 50 mm², acc. to UL 489, 480Y/277 V for MCBs 5SJ4...-.HG infeed busbar
- Supply voltage / operating voltage at AC rated value
- 1 000 V
- Connections / minimum
- 2 N·m
- Connections / maximum
- 3.5 N·m
Available Offers
(5)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
| Condition New Surplus | Availability 5 pcs. Updated at: 15-09-2026In-Stock | Supplier | Warranty 24 months | ||
| Condition New Surplus | Availability 6 pcs. Updated at: 15-09-2026In-Stock | Supplier | Warranty 24 months | ||
| Condition New Factory Sealed | Availability 50 pcs. Updated at: 17-09-2026In-Stock | Supplier | Warranty 24 months | ||
| Condition New Factory Sealed | Availability On requestLead time: 3 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 5ST3666-2HG, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 15-09-2026

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