| Parameter | Value |
|---|---|
| Product Name | NDZ3AT-100D |
| Brand Name | LAZZEN |
| Model Series | NDZ3AT Series |
| Number of Pole | Single pole |
| Load Polarity | Heteropolarity |
| Operating Voltage Range | DC12 – 1000V |
| Rated Operating Current | 100A |
| Breaking Capacity | 1000A at DC300V |
| Contact Resistance | ≤0.5mΩ (at 100A) |
| Control Coil Voltage | DC12V / DC24V |
| Mechanical Life | 200,000 times, 3600 times/hour |
| Electrical Life | DC450V 100A: 1,000 times / DC750V 100A: 100 times |
| Auxiliary Contacts | Without (1NO / 1NC / 1NC+1NO optional) |
| Operating Temperature | -40°C ~ +85°C |
| Weight | ≈280g |
| Application | Electric vehicle, Energy storage |
| Warranty | 1 Year |
| Certifications | CCC, CB, CE, TUV, UL |
The NDZ3AT family covers 100A – 400A high voltage DC contactors for electric vehicles, energy storage and DC power distribution. NDZ3AT-100D is the 100A entry model.
| Model Parameter | NDZ3AT-120 | NDZ3AT-400 | NDZ3AT-150B | NDZ3AT-200B | NDZ3AT-150C | NDZ3AT-300C | NDZ3AT-100D | NDZ3AT-150R | NDZ3AT-300R | NDZ3AT-25010H | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| High voltage DC contactor · DC circuit · Single pole | |||||||||||
| Rated current | 120A | 400A | 150A | 200A | 150A | 300A | 100A | 150A | 300A | 150A | |
| Rated voltage | DC12 ~ 1000V | DC12 ~ 1500V | |||||||||
| Insulation voltage | DC1000V | DC1500V | |||||||||
| Number of poles | Single pole | ||||||||||
| Type of circuit | DC | ||||||||||
| Mechanical life | 300,000 times | 200,000 times · 3600/h | 300,000 times | 200,000 times · 3600/h | 300,000 times | 200,000 times · 3600/h | |||||
| Coil voltage | DC12V, DC24V | ||||||||||
| Electrical life · DC450V L/R ≤ 1ms | 120A: 1,200 / 120A: 500 | 400A: 2,000 / 400A: 1,000 | 150A: 2,000 / 120A: 500 | 200A: 1,000 / 200A: 500 | 150A: 1,500 / 150A: 500 | — | 100A: 1,000 | — | — | — | |
| Electrical life · DC750V L/R ≤ 1ms | 120A: 500 | 400A: 1,000 | 150A: 500 | 200A: 500 | 150A: 500 | 2,000A: 1 | 100A: 100 | — | — | DC1500V 250A: 200 | |
| Electrical life · DC1000V L/R ≤ 1ms | — | — | — | — | — | DC800V 1500A: 1 | — | 150A: 1,000 | 350A: 300 | 250A: 1,500 | |
| Maximum breaking current | DC450V 1200A | DC750V 3000A | DC450V 1500A | DC450V 2000A | DC450V 1500A | DC450V 2000A DC500V 1800A DC750V 1500A | DC300V 1000A | DC1000V 1000A | DC320V 2000A | DC1000V 2000A DC1500V 1000A | |
| Short-circuit withstand current | 900A 6s | 3000A 600ms | 900A 8s | 900A 10s | 900A 8s | 8000A 5ms | 900A 4s | 2000A 600ms | 2000A 1s | 2000A 1s | |
| Insulation resistance | ≥ 1000MΩ (DC1000V) | ≥ 1000MΩ (DC1500V) | |||||||||
| Withstand voltage | AC3000V 60s | AC4000V 60s | |||||||||
| Rated control voltage Uc | DC12V/DC24V; Pick-up DC12V ≤ 9V / DC24V ≤ 18V; Drop-out DC12V ≥ 1.2V / DC24V ≥ 2.4V | ||||||||||
| Retention power consumption 20°C, rated control voltage | ≤ 6W | Keep 4.5W, Start 45W | ≤ 6W | ≤ 6W | ≤ 6W | ≤ 6W | ≤ 5.5W | Keep 3W, Start 26W | Keep 3W, Start 26W | Keep 5.5W, Start 55W | |
| Auxiliary contact type | Without, 1NO, 1NC, 1NC+1NO | Without 1NO | 1NO | ||||||||
| Workplace temperature | -40°C ~ +85°C | ||||||||||
| Power frequency withstand voltage | Disconnect contact AC3000V 60s, leakage ≤ 1mA | AC3300V 60s, leakage ≤ 1mA | AC4000V 60s, leakage ≤ 1mA | ||||||||
Certified to CCC, CB, CE, TUV and UL standards — ready for export projects in Europe, North America and beyond.
| Advantage | Benefit for Your Application |
|---|---|
| ✅ Up to 1000V High Voltage Rating | Operates up to DC1000V — fits modern 400V and 800V EV battery architectures and high-voltage DC systems. |
| ✅ 100A Rated Current | 100A continuous current handling with 1000A breaking capacity at DC300V — reliable main-switch protection. |
| ✅ Compact Single-Pole Design | Lightweight 280g single-pole construction — saves space in EV battery packs and ESS racks. |
| ✅ Dual Coil Voltage Options | DC12V and DC24V coil versions — drop-in fit for 12V and 24V vehicle electrical systems. |
| ✅ Wide Temperature Range | Operates from -40°C to +85°C — built for harsh EV, forklift and outdoor energy storage environments. |
| ✅ Global Certifications | CCC, CB, CE, TUV and UL — supports export projects worldwide with 1-year warranty. |
Main contactor · Pre-charge circuit · High-voltage disconnect for EVs and hybrid vehicles
Battery pack switching · BMS protection · ESS rack disconnect for residential and commercial storage
DC switchgear · Solar combiner boxes · DC microgrid isolation and protection
EV charging stations · DC fast charger isolation · UPS bypass circuits
