| Parameter | Value |
|---|---|
| Product Name | NDZ3T-300P |
| Brand Name | LAZZEN |
| Main Contact Form | 1NO |
| Operating Voltage Range | DC12 – 1000V |
| Rated Operating Current | 300A |
| Contact Resistance | ≤0.2mΩ (at 300A) |
| Short-time Withstand Current | 3000A for 600ms, 300A continuous |
| Maximum Interrupting Current | DC600V 2500A once |
| Mechanical Life | 200,000 cycles, 3600 cycles/hour |
| Electrical Life | DC750V 300A 1000 cycles |
| Control Coil Rated Voltage Uc (20°C) | DC12V, DC24V, DC48V |
| Coil Polarity | Polarized |
| Auxiliary Contacts | Without |
| Insulation Resistance | 1000MΩ DC1000V |
| Power-frequency Withstand Voltage | AC3000V for 60s, leakage current ≤1mA |
| Impact Stability | Closing: 20g, Opening: 10g |
| Impact Strength | 50g |
| Vibration | 5g 10 – 500Hz |
| Operating Humidity | 5% – 95% |
| Weight | ≈710g without terminal block; ≈800g with terminal block |
| Package Type | Epoxy package |
| Certifications | CCC, CB, CE, TUV |
TÜV SÜD Attestation of Conformity for Low Voltage Switchgear / DC Contactor — CE compliance verified.
| Advantage | Benefit for Your Application |
|---|---|
| ✅ 1000VDC / 300A High-Power Rating | Handles DC12–1000V circuits at 300A continuous — ideal for EV chargers, energy storage and DC distribution. |
| ✅ Low Contact Resistance ≤0.2mΩ | Minimizes heat generation and energy loss at high continuous current. |
| ✅ Long Mechanical Life — 200K Cycles | Reduces maintenance and downtime in commercial EV fleets and charging parks. |
| ✅ Flexible Coil Voltage | DC12V / DC24V / DC48V options match your control circuit and simplify system integration. |
| ✅ Epoxy-Encapsulated Package | Sealed against dust, moisture and vibration for harsh vehicle and outdoor environments. |
| ✅ Global Certifications | CCC, CB, CE, TUV support export projects in Europe, Asia and beyond. |
DC fast chargers · Supercharging piles · Commercial charging parks
Containerized ESS · Industrial BESS · Grid-tied storage systems
Electric trucks · Buses · Heavy-duty logistics vehicles
DC power supplies · Test benches · Motor control cabinets
