Panel Hinges for LV Switchgear
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Panel Hinges for LV Switchgear
For enclosure doors – cold rolled steel with powder coating
Full range of concealed hinges designed for low voltage switchgear enclosures (front and rear doors). Made from cold rolled steel with powder coating (spray plastic) finish, these hinges provide reliable, corrosion‑resistant pivoting with opening angles greater than 100°. Multiple models are available to meet different protection ratings (IP40/IP42), door weight requirements (including State Grid specifications), and mounting preferences.
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Product Details
| Property | Value |
| Material | Cold rolled steel (CRS / SPCC) |
| Surface treatment | Powder coating (spray plastic) |
| Color | Black / Grey (custom available) |
| Thickness | 1.5 mm – 2.0 mm (typical) |
Product Range – Large Door Concealed Hinges (Front & Rear)
| Model No. | Description | Opening Angle | Application | Door Fold Height | Mounting Holes | Protection Rating |
| DLT1.171H20 | Large door concealed hinge | >100° | Rear door | 20 mm | Slotted holes (adjustable door gap) | IP40 / IP42* |
| DLT1.173H20 | Large door concealed hinge | >100° | Rear door | 20 mm | Slotted holes (adjustable door gap) | IP40 / IP42* |
| DLT1.174H20 | Large door concealed hinge (IP42) | >100° | Front door (or general) | 20 mm | Round holes (4 holes) | IP42 |
| DLT1.114 | Large door concealed hinge (IP42) | >100° | Rear door | 20 mm | Round holes | IP42 |
| DLT1.119H25 | Large door concealed hinge (IP42) | >100° | – | 25 mm | Slotted holes (adjustable door gap) | IP42 |
Key Dimensions (Reference – typical values)
| Parameter | Value (mm) |
| Overall height (varies by model) | 19.6 / 45 / 15 etc. |
| Mounting hole diameter (round) | Φ4.5 or Φ5 |
| Slotted hole size | Adjustable for gap tolerance |
| Distance between holes | As per drawing |
| Detailed dimensional drawings are available upon request. Contact technical department for exact measurements for each model. | |
- Concealed design – Clean appearance, hidden when door closed
- Opening angle >100° – Easy access for installation and maintenance
- Multiple mounting options – Slotted holes (gap adjustable) or round holes (quick, fixed)
- Protection rating ready – IP40 or IP42 compatible (sealing strip required for IP42)
- Heavy‑duty construction – Meets State Grid cabinet hanging weight requirements
- Corrosion resistant – Powder coated finish
- Easy installation – Pre‑drilled holes, self‑tapping screws or machine screws
- For IP42 protection: Use the designated IP42 models (DLT1.174H20, DLT1.114, DLT1.119H25) and apply the required sealing strip (2 mm or 32 mm as specified).
- Door gap adjustment: Models with slotted holes allow fine adjustment of door gap for proper sealing and alignment.
- Door fold height: Ensure the door panel’s folded edge height matches the hinge specification (20 mm or 25 mm).
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