







- Stock: In Stock
- Model: RDDLZ-DCCON-1000
- Weight: 1.00
- SKU: RDDLZ-DCCON-1000
Available Options
Quality 1000A DC contactor manufacturer direct sale, 9-36V coil voltage, a NO contact form, non-polarity, NO or NC auxiliary contact. High voltage DC power contactor can withstand a continuous current of 1000A at 85°C and boast an insulation resistance of up to 100MΩ (1000V DC), used to safely control and interrupt high-voltage DC circuits.
Features
- 1000A DC contactor adopts high-strength epoxy resin sealing with nitrogen-based gas filling, eliminating arc leakage risks, preventing contact oxidation, and ensuring safe operation without fire or explosion during its service life.
- It provides reliable performance with 1000A continuous current at 85℃, IP67 contact protection, insulation resistance up to 100MΩ (1000V DC), and dielectric strength of 5kV between contacts and coil.
- High voltage DC contactor meets IEC 60664-1, GB/T14048.1, GB/T14048.4 standards, complies with RoHS (2015/863/EU) and REACH (1907/2006/EC), and is certified by CE, CCC, and RoHS.
Specifications
Model | RDDLZ-ADH-1000 | |
Main Contact Specification | ||
Contact Arrangement | 1K (1NO) | |
Contact Polarity | Non-polarity | |
Contact Resistance | ≤0.5mΩ (at 1000A) | |
Max. Switching Voltage | 1,000V DC | |
Max. Breaking Current | 2,000A (320V DC) 1 Ops | |
Electrical Endurance (Resistive Load) | 500 Ops (1,000V DC, 1000A) | |
1,000 Ops (750V DC, 1000A) | ||
2,000 Ops (500V DC, 1000A) | ||
Mechanical Endurance | 100,000 Ops | |
Withstand Current | 1000A, Continuous | |
20000A, 120s | ||
3,000A, 30s | ||
18,000A, 10ms | ||
Performance Parameter (at 23℃) | ||
Pickup Voltage | See Coil Parameter Tables | |
Dropout Voltage | See Coil Parameter Tables | |
Pickup Time | ≤50ms | |
Contact Bounce Period | ≤5ms | |
Dropout Time | ≤20ms | |
Dielectric Strength | Between Main Contacts | 10,000V AC 10s |
Between Main Contact and Coil | 3,500V DC 1min | |
Insulation Resistance | Initial State | 100MΩ 1min |
After Electrical Life | 50MΩ 1 min | |
Shock | Stability | 20g (Power On) |
Strength | 50g | |
Vibration | 10g, 10~500Hz, 1/2 Sine Wave (Power On) | |
Relative Humidity | 5%~95%RH | |
Temperature | -40℃~85℃ | |
Load Terminal | Busbar | |
Weight | About 3300g | |
Dimension | 127x106x144mm | |
Auxiliary Contact Parameter | ||
Aux. Contact Arrangement | FK/FB/FZ (1NO/1NC/1CO) | |
Aux. Contact Rated Current | 5A | |
Aux. Contact Max. Breaking Voltage | 120V DC | |
Coil Parameter | ||
Coil Voltage | 9-36V | |
Pickup Voltage (DC) | 9-36V | |
Dropout Voltage (DC) | 5-7V | |
Coil Resistance | 1.8Ω±10% | |
Starting Power | ≤100W | |
Holding Power | ≤9W |
Dimensions (Unit: mm)
Wiring Diagram
Note: A1&A2 main terminals with non-polarity; 3&4 auxiliary contact terminals; 1&2 coil terminals 9-36V.
Applications
High voltage DC contactors are widely applied in electric vehicles (EVs), renewable energy systems (solar and wind), energy storage systems (ESS), DC charging stations, uninterruptible power supplies (UPS), and industrial equipment that requires safe and reliable DC switching.
Tips: Why is a 1000A DC contactor important for high-capacity applications?
High-capacity applications such as grid-scale energy storage, EV fast charging stations, and heavy industrial systems often operate at both high current and high voltage. A 1000A DC contactor provides the necessary robustness to handle these extreme conditions. Without it, systems could suffer from overheating, inefficient power transfer, or unsafe disconnections. Its design ensures stability, safety, and efficiency in critical power applications.