DC Isolator Switch for Solar Power Systems
This DC isolator switch is designed for use in 1-20KW inverter, controller, and DC combiner box applications. It effectively disconnects PV solar systems with an arcing time of less than 3ms.
Technical Specifications
Overview
High-Performance DC Isolation
The KYT series DC Isolator Switch is specifically engineered for residential and commercial solar power systems ranging from 1-20KW. It provides rapid disconnection with an arcing time of less than 3ms, ensuring maximum safety for inverters, controllers, and DC combiner boxes. Designed for both on-grid and off-grid applications, this switch offers a robust and reliable solution for isolating photovoltaic circuits during maintenance or emergencies.
Electrical Performance
Key Electrical Ratings
1,200 V DC
Rated Voltage (Ue)
32 A
Max Rated Current
8 KV
Impulse Voltage (Uimp)
Available Rated Currents
- 16A
- 25A
- 32A
Technical Specifications
Operating Parameters
| Parameter | Value |
|---|---|
| Function | Isolator, Control |
| Standard Compliance | IEC60947-3 |
| Number of Poles | 4P |
| Utilization Category | DC-21B |
| Arcing Time | < 3ms |
| Service Life | 10 Years |
Installation & Design
- Mounting Type
- DIN Rail Mounting
- Safety Features
- Off LockableFlame-RetardantOverload ProtectionDouble Wire Disconnect
Applications
Application Scope
- Residential PV Systems
- Commercial PV Systems
- DC Combiner Boxes
- Telecommunications Rooms
- Industrial Automation Control
- Hospital Operating Rooms
- Computer Centers
Construction
Build Quality
- High-conductivity Copper Bars
- Spring-assisted Handle Mechanism
- Durable Base and Cover
- Fixed Pins for Secure Mounting
