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