CZMJ3 DMC Vertical Busbar Support
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CZMJ3 DMC Vertical Busbar Support
For low voltage switchgear vertical busbar mounting
CZMJ Series DMC VERTICAL BUSBAR BOX (also known as vertical busbar support) is designed for fixing and insulating vertical busbars inside low voltage switchgear enclosures. It provides precise phase spacing and reliable mechanical support for copper or aluminum busbars. Available in 3‑pole and 4‑pole configurations.
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Product Details
- Precise phase spacing – 55 mm standard for vertical busbars
- Robust insulation – Suitable for LV switchgear
- Easy mounting – Two Φ8.5 mm mounting holes for secure fixing
- Compatible with 40×6 mm busbars – Minimum busbar size; larger busbars may be accommodated (contact technical department)
- 3‑pole and 4‑pole options – For main busbar and neutral busbar applications
| Parameter | Value |
| Material | High‑strength insulating material DMC |
| Phase spacing (center‑to‑center) | 55 mm ±0.1 mm (3‑pole) / 55 mm ±0.2 mm (4‑pole) |
| Mounting hole diameter | Φ8.5 mm |
| Minimum busbar size | 40 × 6 mm |
| Flammability rating | UL 94 V‑0 |
| Operating temperature | -25°C to +120°C |
| Model No. | Description | Poles | Minimum Busbar Size | Mounting Holes |
| CZMJ3‑3 | Vertical busbar box | 3 poles | 40 × 6 mm | 2 × Φ8.5 mm |
| CZMJ3‑4 | Vertical busbar box | 4 poles | 40 × 6 mm | 2 × Φ8.5 mm |
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