Smart gas and water meters promise to give building managers important tools to lower utility bills and increase safety. The flow meters can only


A sub-miniature, normally open switch with a 10.16mm long x 1.80mm diameter (0.400" x 0.071") glass envelope. Capable of switching 200Vdc at 10W. Available sensitivity range of 10-25 AT. High insulation resistance of 1012 ohms minimum and low contact resistance of less than 120 milliohms. Available in surface mount version (MDSM-10). Ideally suited for reed relay applications, security, metering, limit sensing and telephone off-hook applications.
- Normally open switch capable of switching 200Vdc or 0.5A at up to 10 Watts
- Available sensitivity range of 10-25 AT
- Hermetically sealed switch contacts are not affected by and have no effect on their external environment
- Zero operating power required for contact closure
- Excellent for switching micro-controller logic level loads
MDSR 10 Parts
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Showing 1 to 11 of 11 Total Results
Part Number | Actions | Switching Power (W) | Switching Voltage (V DC) | Switching Current (A DC) | Breakdown Voltage (V DC) | Max Contact Resistance (Ω) | Magnetic Sensitivity (AT) | Body Length (mm) | Overall Length in Milimeters | Switch Type | Operating Temperature | Agency Approvals |
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Part Number | Actions | Switching Power (W) | Switching Voltage (V DC) | Switching Current (A DC) | Breakdown Voltage (V DC) | Max Contact Resistance (Ω) | Magnetic Sensitivity (AT) | Body Length (mm) | Overall Length in Milimeters | Switch Type | Operating Temperature | Agency Approvals | |
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-55° to 125°C | cURus / CE / UKCA / METI / TUV | ||||||||||||
-55° to 125°C | cURus / CE / TUV / METI / UKCA | ||||||||||||
-55° to 125°C | cURus / CE / METI / UKCA / TUV | ||||||||||||
-55° to 125°C | cURus / CE / UKCA / METI / TUV | ||||||||||||
-55° to 125°C | cURus / CE / METI / TUV / UKCA | ||||||||||||
-55° to 125°C | cURus / CE / UKCA / TUV / METI | ||||||||||||
-55° to 125°C | cURus / UKCA / TUV / METI / CE | ||||||||||||
-55° to 125°C | cURus / CE / UKCA / METI / TUV | ||||||||||||
-55° to 125°C | cURus / CE / METI / TUV / UKCA | ||||||||||||
-55° to 125°C | cURus / CE / UKCA / METI / TUV | ||||||||||||
-55° to 125°C | cURus / METI / UKCA / CE / TUV |
MDSR 10 Applications

Gas & Water Meters
Highlights Section
- Reed relays
- Security
- Limit switching
- Industrial controls
- Telecom
Series: MDSR-10 Resources
MDSR 10 Custom Products Request
Need your MDSR 10 parts customized? Please let us know about yourself and your project needs, and a Littelfuse expert will be in touch about customizing our product(s) for you.