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Reed relays offer significant advantages for insulation testing in hybrid and electric vehicles. Their versatility enables reliable, repeatable switching across a wide range of power loads and environmental conditions. Unlike semiconductor switches, reed relays feature linear internal capacitance that remains stable with temperature changes, and their internal components do not degrade over time. In terms of performance, reed relays can accurately measure isolation voltages while maintaining leakage currents in the picoampere range and delivering fast switching speeds of up to 1 ms. This ensures millions of dependable operations—though this depends on the specific load. If the insulation performance of an electric vehicle deteriorates, reed relays can effectively issue early warnings before a critical failure occurs.    

 

Recommended reed relay models for the above application areas: HVR series, SIP-HV series.

Product Series Product model Contact form Coil voltage Switch voltage Withstand voltage Installation type Specification Sheet
HVR HVR1A05 1A 5V, 12V, 24V 1000VDC 4000VDC Plug-in type Download   
HVR1A05-SMD 1A 5V, 12V, 24V 1000VDC 4000VDC Surface-mount type Download     
HVR1A05-THT 1A 5V, 12V, 24V 1000VDC 4000VDC Plug-in type Download  
HVR 05-2A06 1A 5V, 12V, 24V 1000VDC 6000VDC Plug-in type Download    
HVR 05-1A10-06 1A 5V, 12V, 24V 7500VDC 10000VDC Plug-in type Download   
HVR 05-1A15-06 1A 5V, 12V, 24V 10000VDC 15000VDC Plug-in type Download   
HVR 05-1A20-06 1A 5V, 12V, 24V 10000VDC 20000VDC Plug-in type Download   
HVR 05-1A10-150 1A 5V, 12V, 24V 7500VDC 10000VDC Axial cable Download   
HVR 05-1A15-150 1A 5V, 12V, 24V 10000VDC 15000VDC Axial cable Download   
HVR 05-1A20-150 1A 5V, 12V, 24V 10000VDC 20000VDC Axial cable Download   
HVR 05-2A04-02 2A 5V, 12V, 24V 1000VDC 4000VDC Plug-in type Download   
HVR12-2A10 2A 12V 7500VDC 10000VDC Axial cable Download   
HVR24-4A15 4A 24V 10000VDC 15000VDC Axial cable Download   
HVR1B05 1B 5V, 12V, 24V 1000VDC 4000VDC Plug-in type Download   
HVR1B05 -02 1B 5V, 12V, 24V 1000VDC 4000VDC Plug-in type Download   
HVR 05-1B10-150 1B 5V, 12V, 24V 7500VDC 10000VDC Axial cable Download   
HVR 05-1C05 1C 5V, 12V, 24V 2500VDC 5000VDC Plug-in type Download   
HVR 05-2C05 2C 5V, 12V, 24V 2500VDC 5000VDC Plug-in type Download   
SIP-HV SIP-HV1A05 1A 5V, 12V, 24V 1500VDC 4000VDC Plug-in type Download  
SIP-HV1A05 D 1A 5V, 12V, 24V 1500VDC 4000VDC Plug-in type Download  
SIP-HV1A12 S 1A 5V, 12V, 24V 1500VDC 4000VDC Plug-in type Download  
SIP-HV1A05 DS 1A 5V, 12V, 24V 1500VDC 4000VDC Plug-in type Download

 

Recommended high-voltage DC relay models for the aforementioned application areas: EVI, EVM, EVG, and ESM series.

 

Product Series Product model Contact form Switch voltage Withstand voltage Rated load current Package type Specification Sheet
EVI EVI-30 1A 750VDC 3000VAC 30A Epoxy resin Download   
EVI-50 1A 750VDC 3000VAC 50A Epoxy resin Download    
EVI-100 1A 750VDC 3000VAC 100A Epoxy resin Download    
EVI-150 1A 750VDC 3000VAC 150A Epoxy resin Download     
EVI-200 1A 750VDC 3000VAC 200A Epoxy resin Download       
EVI-250 1A 750VDC 3000VAC 250A Epoxy resin

  Download   

EVI-300 1A 750VDC 3000VAC 300A Epoxy resin Download  
EVM EVM-40 1A 1000VDC 4000VAC 40A Ceramic packaging Download   
EVM-100 1A 1000VDC 4000VAC 100A Ceramic packaging Download   
EVM-200 1A 1000VDC 4000VAC 200A Ceramic packaging Download   
EVM-250 1A 1000VDC 4000VAC 250A Ceramic packaging

Download   

EVM-300 1A 1000VDC 4000VAC 300A Ceramic packaging Download   
EVM-400 1A 1000VDC 4000VAC 400A Ceramic packaging Download   
EVG EVG-150 1A 1000VDC 3500VAC 150A Ceramic packaging Download   
EVG-200 1A 1000VDC 3500VAC 200A Ceramic packaging Download  
EVG-250 1A 1000VDC 3500VAC 250A Ceramic packaging Download   
EVG-300 1A 1000VDC 3500VAC 300A Ceramic packaging Download  
EVG-350 1A 1000VDC 3500VAC 350A Ceramic packaging Download   
ESM ESM-20 1A 1500VDC 4000VAC 20A Ceramic packaging Download  
ESM-150 1A 1500VDC 4000VAC 150A Ceramic packaging Download   
ESM-250 1A 1500VDC 4000VAC 250A Ceramic packaging Download   
ESM-350 1A 1500VDC 4000VAC 350A Ceramic packaging Download   
ESM-400 1A 1500VDC 4000VAC 400A Ceramic packaging Download   
ESM-600 1A 1500VDC 4000VAC 600A Ceramic packaging Download   
ESM-800 1A 1500VDC 4000VAC 800A Ceramic packaging Download   

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