Reed Sensor
Technical documentation, specifications and selection guidance for high voltage switching components.
MRS Series Molded Dry Reed Switches
Molded Dry Reed Switches for Proximity Sensing (series)
The MRS series is SHR’s molded dry reed switch family for magnetic proximity sensing. Small single-contact construction with insulation resistance up to 109 Ω suits low-power sensing and tape-and-reel automated assembly.
Series Specifications
| Rated power, max (series) | 10 W |
| Switching voltage, max (series) | 200 V (DC / peak AC) |
| Switching current, max (series) | 0.4 A (DC / peak AC) |
| Carry current, max (series) | 0.5 A |
| Contact resistance (series) | 150 mΩ |
| Breakdown voltage (series) | 250 VDC |
| Insulation resistance (series) | 109 Ω |
| Operate / release time (series) | 0.6 ms / 0.1 ms |
| Operating temperature (series) | -40°C to +130°C |
| Compliance | RoHS |
Key Highlights
- Small single-contact molded switch
- High insulation resistance up to 109 Ω
- Suitable for low-power operation
- Tape-and-reel packaging for automated assembly
- Wide -40°C to +130°C operating range
Models in This Series
MRS01–MRS21 series including door contact and proximity switch variants. Operate sensitivity (AT) per model — please confirm via RFQ.
Applications
- Door/window security contacts
- Proximity sensing
- Position detection
- Consumer electronics
All values above are series-level specifications from the official SHR datasheet (MRS series datasheets); individual model ratings may differ. Please refer to the series datasheet or submit an RFQ to confirm the exact configuration for your application.
Need a datasheet, sample, or cross-reference?
Send your part number, voltage/current, coil voltage, contact form and quantity. Our engineering sales team replies with equivalents, pricing and lead time.