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Schneider Electric ZB4BG312
Harmony XB4 Key Selector Switch Head, 421E Model, Black
Product Description
The Harmony XB4 Key Selector Switch Head (Model 421E) is a robust solution designed to provide secure machine operation. With its IP66 rating, it offers impact resistance, dust resistance, water resistance, and vibration resistance. The metal bezel adds an extra layer of durability, making it ideal for applications requiring high impact and vibration resistance.
This key selector switch head is compatible with standard 22mm cutouts, ensuring easy installation in pre-existing machinery. It operates at temperatures ranging from -40°C to 70°C, providing versatility in usage. The stay-put mechanism with center key withdrawal allows for advanced interlocking between various parts of a machine or process, while limiting human errors.
The Harmony XB4 Key Selector Switch Head is designed to fit in standard 22mm cutouts, ensuring compatibility when installing in pre-existing machinery. It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP66 rating. The metal bezel adds an extra layer of durability, making it ideal for applications requiring high impact and vibration resistance.
Secure machine and system operation with a key, only available to authorized operators. Its wide range of operating temperatures from -40°C to 70°C allows versatility in usage of product. Key removal allowed in only one of the positions, allowing for advanced interlocking between various parts of a machine or process, while limiting human errors.
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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
- Schneider Electric
- Product Certifications
- LROS (Lloyds register of shipping) || GL || DNV || CSA || BV || UL Listed
- Ambient Air Temperature For Operation
- -40-70 °C
- Standards
- GB 14048.5 || EN/IEC 60947-5-4 || CSA C22.2 No 14 || EN/IEC 60947-5-1 || UL 508 || EN/IEC 60947-1 || EN/IEC 60947-5-5
- Shock Resistance
- 30 gn 18 ms) half sine wave acceleration IEC 60068-2-27 || 50 gn 11 ms) half sine wave acceleration IEC 60068-2-27
- Vibration Resistance
- 5 gn 2-500 Hz)IEC 60068-2-6
- Ip Degree Of Protection
- IP66 IEC 60529 || IP67 || IP69 || IP69K
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 to be confirmed | 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 Schneider Electric ZB4BG312, 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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