| Parameter | Value |
|---|
| Model | NDZ3AT-300C |
| Contact Arrangement | Main 1 Form A (1NO) · non-polar load terminals and coil |
| Contact Rating | 300A continuous (with ≥100 mm² copper conductor) · 1000A / 25s · 600A / 120s (85°C) |
| Load Voltage | DC12 ~ DC1000V (minimum applicable load DC12V / 1A) |
| Max. Switching Voltage | DC1000V |
| Max. Breaking Current | 2000A (DC450V, 1 op) · 2000A (DC750V, 1 op) · 1500A (DC1000V, 1 op) |
| Contact Resistance | ≤0.5 mΩ (at 300A, 23°C) |
| Coil Voltage | DC12V / DC24V (single coil, non-polar) · operate ≤9V / ≤18V · release ≥1.2V / ≥2.4V |
| Operate / Release Time | ≤30ms / ≤10ms (bounce ≤5ms, at rated voltage, 23°C) |
| Endurance (Mech. / Elec.) | 200,000 ops (0.5s on : 0.5s off) / 1,000 ops (DC450V, 300A) · 500 ops (DC1000V, 300A) |
| Dielectric / Insulation | 3000VAC 1min (50/60Hz, ≤1mA) · 1000MΩ initial (DC1000V, contacts & coil) |
| Sealing / Ambient | Ceramic brazed, inert-gas arc chamber · -40°C ~ +85°C · 5–95% RH · altitude ≤5000 m |
| Terminal / Weight | M6 studs (6–8 N·m) · M5 screws (3–4 N·m) · Approx. 385 ± 15 g |
| Shock & Vibration | 588 m/s² (closed) 11ms half-sine · vibration 49 m/s², 10–500 Hz |
| Certification | CCC · CB · CE · TÜV · UL · RoHS compliant |
