Series MMS-201
Precision in Cylindrical Housing
Our reed sensors in cylindrical housing of the MMS 201 series are ideally suited for industrial applications with round mounting bores and offer reliable switching operations with high positional accuracy and easy installation.
Do You Need a Custom Solution?
Custom Adaptations:
• Dimensions and shape
• Magnetic sensitivity
• Operating temperature
• Connection types
• Housing material
• Assembly / modification
Areas of application
Position Control, Contactless 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
A reed contact-based magnetic sensor with normally open contact.
The cylindrical housing (Ø 3.8 mm) allows clamping or plug-in mounting and is available in various cable lengths, sensitivity levels, and connector variants. The sensor can be activated through non-ferrous materials such as wood, plastic, or aluminum – ideal for precise position control and contactless switching.
Dimensions: Ø 3.8 × L 18 mm
Housing material: PA66GF
Contact form: Form A (normally open)
Operating temperature: –20°C … +80°C
Sensitivity: 7 … 25 AT
Switching power: 10 W
Switching current: 0.5 A
Continuous current: 1.0 A
Voltage rating: 200 VDC
Approval
REACH; RoHS
Variant characteristics
Dimensions: Ø 3.8 × L 18 mm
| MMS-201 -1 | ||||
|---|---|---|---|---|
| Contact form | Form A (normally open) | |||
| Operating temperature | –20°C … +80°C | |||
| Sensitivity | 7...25 AT | |||
| Switching current | 0.5 A | |||
| Switching voltage VDC | 200 VDC | |||
| Switching voltage VAC | 140 VAC | |||
| Continuous current | 1.0 A | |||
| Voltage rating | 200 VDC | |||
| Small quantities & samples |
|
| MMS-201 -1 | ||||
|---|---|---|---|---|
| Contact form | Form A (normally open) | |||
| Operating temperature | –20°C … +80°C | |||
| Sensitivity | 7...25 AT | |||
| Switching power | 10 W | |||
| Switching current | 0.5 A | |||
| Switching voltage VDC | 200 VDC | |||
| Switching voltage VAC | 140 VAC | |||
| Continuous current | 1.0 A | |||
| Voltage rating | 200 VDC | |||
| Small quantities & samples |
|
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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
