MMS-221 Series
Precision in Cylindrical Housing
Our MMS 221 series reed sensors in cylindrical housing are ideally suited for industrial applications with round mounting holes, offering reliable switching operations with high positional accuracy and easy installation.
Do you need a customized solution?
Customization options:
• Dimensions and shape
• Magnetic sensitivity
• Operating temperature
• Connection types
• Housing material
• Mounting / Modification
Areas of application
Position control, non-contact switching
Features
Magnetically operated proximity sensor
Individually defined sensitivity
Customized adjustments possible
Can be operated through non-ferrous materials, e.g., wood, plastic, or aluminum
Series characteristics
Product Information for the Series
A reed switch-based magnetic sensor with a normally open contact. The housing design allows for clamp or plug-in mounting. Available with different cable lengths, sensitivity, and connector options.
Dimensions: Ø 5.1 × L 15.24 mm
Contact Form: A-Normally Open
Operating temperature: –20°C … +105°C
Switching Power: 10 W
Switching Current: 0.25 A
Continuous Current: 0.5 A
Dielectric Strength: 150 VDC
Approval
REACH; RoHS
Technical drawing
Variant characteristics
Dimensions: Ø 5.1 × L 15.24 mm
| MMS-221 -1 | ||||
|---|---|---|---|---|
 class="icon" alt="Form A-1"> |
||||
| Contact Form | A-Normally Open | |||
| Operating Temperature | –20 °C … +105 °C | |||
| Sensitivity | n/a | |||
| Switching Power | 10 W | |||
| Switching Current | 0.25 A | |||
| Switching Voltage VDC | 170 VDC | |||
| Switching Voltage VAC | 120 VAC | |||
| Continuous Current | 0.5 A | |||
| Dielectric Strength | 150 VDC | |||
| Small Quantities & Samples | Please inquire directly | |||
| MMS-221 -1 | - | - | - | |
|---|---|---|---|---|
| class="icon" alt="Form A-1"> |
||||
| Contact Form | A-Normally Open | |||
| Operating Temperature | –20 °C … +105 °C | |||
| Sensitivity | n/a | |||
| Switching Power | 10 W | |||
| Switching Current | 0.25 A | |||
| Switching Voltage VDC | 170 VDC | |||
| Switching Voltage VAC | 120 VAC | |||
| Continuous Current | 0.5 A | |||
| Dielectric Strength | 150 VDC | |||
| Small Quantities & Samples | Please inquire directly | |||
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Matching accessories
Actuating magnet
MMA-201
Ø 3.8 x L 18.0 mm
MMA-202
Ø 3.8 x L 25.2 mm
MMA-203
Ø 3.8 x L 12.7 mm
MMA-204
Ø 6.0 x L 25.7 mm
MMA-205
Ø 6.0 x L 40.1 mm
MMA-210
Ø 5.6 x L 23.2 mm
MMA-214
Ø 5.0 x L 16.0 mm
MMA-218
Ø 5.95 x L 28.0 mm
MMA-220
Ø 3.0 x L 9.0 mm
MMA-221
Ø 5.1 × L 15.24 mm
MMA-222
Ø 5.8 x L 25.4 mm
MMA-223
Ø 6.22 x L 25.4 mm
MMA-224
Ø 6.22 x L 38.1 mm
MMA-225
Ø 10.70 x L 31.0 mm
MMA-228
Ø 3.5 x L 18.0 mm
MMA-229
Ø 3.0 × L 15.0 mm