MN19-250 DC High Voltage Relay 1500VDC, 250A Continuous Current · Ceramic Sealing Technology · IP67 Protection
Product Overview
The MN19-250 is a high-performance DC high voltage relay 1500VDC designed specifically for new energy vehicles and energy storage systems. Featuring advanced ceramic brazing sealing technology, this relay offers 250A continuous current capacity and 1500VDC high voltage switching capability. Compliant with international safety standards, it delivers exceptional electrical performance and mechanical endurance for safe control in high voltage DC systems.
Features
- High Safety Performance : Ceramic brazing sealing technology eliminates arc leakage risks, ensuring no fire or explosion. Inert gas encapsulation effectively prevents contact oxidation.
- High Current Capacity: 250A continuous current capacity at 85°C, capable of handling 10x overcurrent surges to meet abnormal condition requirements.
- High Voltage Switching: Supports 1000VDC/1500VDC high voltage loads with maximum switching power of 191kW, ideal for high voltage new energy systems.
- Long Service Life: Mechanical endurance: 200,000 operations. Electrical life: 200 cycles at 250A/1000VDC.
- Robust Environmental Resistance: Operating temperature range: -40℃ to +85℃. IP67 protection rating for harsh environments.
Technical Specifications
Electrical Characteristics
| Parameter | Specification |
|---|---|
| Rated Current | 250A |
| Load Voltage | 1000VDC/1500VDC |
| Contact Resistance | ≤0.3mΩ (DC 150A) |
| Max. Breaking Current | 1000A (1500VDC, 1+ times) |
| Max. Switching Power | 191kW |
| Short-time Current | 600A 60s, 1200A 1s (Short-circuit current: 5000A 5ms) |
| Insulation Resistance | ≥1000MΩ (1000VDC) |
Coil Parameters
| Rated Voltage | Coil Current | Coil Resistance | Operate Voltage | Release Voltage | Max. Allowable Voltage |
|---|---|---|---|---|---|
| 12VDC | 0.5A | 24Ω | ≤9VDC | 1.2~5V | 130% of rated voltage (85℃, within 1h) |
| 24VDC | 0.25A | 96Ω | ≤18VDC | 2.4~7.2V | 130% of rated voltage (85℃, within 1h) |
| 9~36VDC | Start≤3.8A/Hold≤0.25A | 3.1Ω | ≤9VDC(Start≤150ms) | ≥5VDC | 130% of rated voltage (85℃, within 1h) |
Mechanical & Environmental
| Parameter | Specification |
|---|---|
| Mechanical Endurance | 200,000 operations |
| Electrical Life | 250A@1000VDC:200 cycles; 250A@1500VDC:100 cycles |
| Operate Time | ≤50ms (at rated voltage) |
| Release Time | ≤30ms (at rated voltage) |
| Operating Temperature | -40℃ to +85℃ |
| Protection Rating | IP67 |
| Weight | 282g |
Dimensions
Overall dimensions: 79.5×49.7×72.6mm
Mounting holes: 2-Φ6.6±0.1mm
Typical Applications
- New energy vehicle high voltage systems
- Energy storage battery management systems (BMS)
- EV charging stations
- Photovoltaic power systems
- High voltage DC distribution systems
Certifications & Standards
ISO9001, ISO/TS16949, ISO14001, OHSAS18001, IECQ QC 080000 certified
Compliant with IEC60664-1 standards
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