
Product Specifications
Product Introduction
The CDG9Z Miniature DC Isolating Switch is a dedicated isolation device for DC power systems. It is mainly installed in DC power distribution circuits to provide safe electrical isolation and reliable circuit switching control.
The product adopts a modular design and supports standard DIN rail mounting. It features a visible handle indication for clear ON/OFF status display, improving operational safety during equipment maintenance and inspection.
The CDG9Z series is available with 1P, 2P, 3P, and 4P pole configurations. The rated current range covers 20A, 25A, 32A, 40A, 50A, and 63A, with rated operating voltages of DC250V, DC500V, DC750V, and DC1000V to meet different DC application requirements.
Main Functions
DC Circuit Isolation
Provides reliable electrical isolation for DC power systems, ensuring safe disconnection during equipment maintenance and inspection.
Load Breaking Function
Supports switching operations under DC load conditions, improving system operation convenience.
Circuit Switching Control
Used for manual connection and disconnection control of DC circuits.
Status Indication
The operating handle provides clear position indication for easy identification of switching status.
Product Features
- Designed specifically for DC power applications.
- Available pole configurations:
- 1P
- 2P
- 3P
- 4P
- Rated current options:
- 20A
- 25A
- 32A
- 40A
- 50A
- 63A
- Rated operating voltage options:
- DC250V
- DC500V
- DC750V
- DC1000V
- Modular structure with standard DIN rail installation.
- Suitable for photovoltaic, energy storage, and DC distribution systems
Certification Standards
- RoHS compliant versions available
Applications
- Photovoltaic DC distribution systems
- Energy storage systems
- DC charging equipment
- Communication power supply systems
- Industrial DC control systems
- DC equipment power isolation protection
Technical Parameters
| Parameter | Value | Unit |
|---|---|---|
| Product Model | CDG9Z | - |
| Product Type | Miniature DC Isolating Switch | - |
| Rated Current | 20, 25, 32, 40, 50, 63 | A |
| Rated Operating Voltage | DC250, DC500, DC750, DC1000 | V |
| Number of Poles | 1P, 2P, 3P, 4P | - |
| Isolation Function | Handle with indication marking and clear disconnection indication | - |
| Mechanical Endurance | 50000 | Operations |
| Electrical Endurance (AC22 cosφ=0.6) | 20-32A: 30000; 40-63A: 20000 | Operations |
| Rated Impulse Withstand Voltage | 6 | kV |
| Utilization Category | DC-22A | - |
| Rated Short-Time Withstand Current | 12In, 1s | - |
| Short-Circuit Making Capacity | 20In, 0.1s | - |
| Operating Temperature | -30~+70 | ℃ |
| Damp Heat Resistance | Class 2 (55℃, Relative Humidity 95%) | - |
| Terminal Type | Tunnel-type terminal | - |
| Maximum Cable Capacity | ≤50 | mm² |
| Installation Method | Modular design, standard DIN rail mounting | - |
| Fixing Method | Upper and lower locking clips | - |
| Rated Tightening Torque | 3.5 | N·m |
尺寸图

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