High Voltage DC Relay-HT20C Series
Nominal Current: 20A (DC-1 for resistive load)
Nominal Voltage: 12~450VDC
Max Switching Capacity: 35A at 450VDC
Contact Resistance (Initial): ≤10mΩ (at 20A)
描述
Contact Data
| Parameter | Specification |
|---|---|
| Contact Form | 1H (SPST-NO) |
| Nominal Current | 20A (DC-1) Resistive Load |
| Nominal Voltage | 12~450VDC |
| Max Switching Capacity | 35A (450VDC, ≥ 1op) |
| Contact Resistance (Initial) | ≤10mΩ (20A) |
Electrical Performance
| Parameter | Specification |
|---|---|
| Insulation Resistance (Initial) | Min. 1000MΩ @ 500VDC |
| Dielectric Strength (Between Open Contacts) | 4500VDC/3000VAC 50Hz/60Hz (1 min) Leak Current < 10mA |
| Dielectric Strength (Between Open Aux) | 2000VAC 50 Hz/60 Hz (1 min) Leak Current < 10mA |
| Pick-Up Time | Max. 30ms (Nominal Voltage) |
| Drop-Out Time | Max. 10ms (Nominal Voltage) |
| Bounce Time | Max. 30ms (Nominal Voltage) |
Physical Performance
| Parameter | Specification |
|---|---|
| Vibration | (10~500)Hz, ≤5g |
| Shock (Stability) | ≤20g |
| Shock (Strength) | ≤50g |
Endurance Data
| Parameter | Specification |
|---|---|
| Electric Endurance (Resistive Load) | Make: 1 × 10⁴ OPS (450VDC, 20A)<br>Make: 1 × 10³ OPS (750VDC, 10A)<br>Break: 1 × 10³ OPS (450VDC, 20A) |
| Mechanical Endurance | ≥300,000 OPS |
Working Conditions
| Parameter | Specification |
|---|---|
| Ambient Temperature | -40°C ~ +85°C |
| Humidity | 20% ~ 90%RH |
Coil Parameter (23°C)
| Coil Volt (V) | Pick-Up Volt (V) | Drop-Out Volt (V) | Operating Volt (V) | Starting Current (A) | Power Dissipation (W) |
|---|---|---|---|---|---|
| 12 | ≤9 | ≥1 | 0.85U_s ~ 1.2U_s | ≤0.3 | 2.5~3.5 |
| 24 | ≤18 | ≥2 | 0.85U_s ~ 1.2U_s | ≤0.15 | 2.5~3.5 |





