Deskripsi
Solid-State Relay
• Type: Three‑phase solid‑state relay (SSR)
• Model: KB300‑D25Q‑A3002
• Brand: Changzhou Power Plant Auxiliary Equipment Factory Co., Ltd.
Product Overview:
The KB300‑D25Q‑A3002 is a three‑phase solid‑state relay module designed for switching and controlling AC motors and other inductive loads without mechanical contacts. It is commonly integrated into electric actuator control boxes for high‑reliability, silent switching, and long service life in industrial environments.
Specifications (typical for this SSR class):
| Parameter | Specification |
|---|---|
| Load Type | Three‑phase AC load (motors, heaters, actuators) |
| Rated Load Voltage | 380 VAC (three‑phase) |
| Load Current | 25 A continuous |
| Control Voltage | 3–32 VDC (logic input) |
| Control Current | ≤20 mA |
| Turn‑On Voltage | ≤1.5 V |
| Turn‑Off Voltage | ≥1.0 V |
| Isolation Voltage | ≥2500 VAC |
| Switching Type | Zero‑cross turn‑on |
| Response Time | ≤10 ms |
| Operating Temp | −30 °C to +80 °C |
| Mounting | Panel mount with screw terminals |
| Protection | Built‑in RC snubber; over‑voltage protection (model‑dependent) |
Dimensions & Weight:
- Dimensions: ~105 × 75 × 32 mm (module body)
- Weight: ~350–450 g
Applications:
- Electric actuator motor control (multi‑turn and quarter‑turn)
- Power plant auxiliary equipment
- Water treatment and pumping stations
- Petrochemical process control
- Industrial heating and HVAC systems
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