MMS-203 Series
Precision in a Cylindrical Housing
Our MMS 203 series reed sensors in cylindrical housings are ideal for industrial applications with round mounting holes, offering reliable switching operations with high positioning accuracy and easy installation.
Do you require a customized solution?
Individual adjustments:
• Dimensions and shape
• Magnetic sensitivity
• Operating temperature
• Connection types
• Housing material
• Mounting / 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
Series product information
A reed contact-based magnetic sensor with a normally open (NO) contact. The housing design allows for clamp or plug-in mounting. Available with various cable lengths as well as sensitivity and connector options.
Dimensions: Ø 3.8 × L 12.7 mm
Housing material: PA66GF
Contact form: Form A (Normally Open)
Operating temperature: –20°C … +80°C
Sensitivity: 7 … 20 AT
Switching capacity: 10 W
Switching current: 0.25 A
Carry current: 0.5 A
Dielectric strength: 150 VDC
Approval
REACH; RoHS
Variant characteristics
Dimensions: Ø 3.8 × L 12.7 mm
| MMS-203 -1 | ||||
|---|---|---|---|---|
| Contact form | Form A (Normally Open) | |||
| Operating temperature | –20°C … +80°C | |||
| Sensitivity | 7 … 20 AT | |||
| Switching capacity | 10 W | |||
| Switching current | 0.25 A | |||
| Switching voltage VDC | 170 VDC | |||
| Switching voltage VAC | 120 VAC | |||
| Carry current | 0.5 A | |||
| Dielectric strength | 150 VDC | |||
| Small quantities & samples |
|
| MMS-203 -1 | - | - | - | |
|---|---|---|---|---|
| Contact form | Form A (Normally Open) | |||
| Operating temperature | –20°C … +80°C | |||
| Sensitivity | 7 … 20 AT | |||
| Switching capacity | 10 W | |||
| Switching current | 0.25 A | |||
| Switching voltage VDC | 170 VDC | |||
| Switching voltage VAC | 120 VAC | |||
| Carry current | 0.5 A | |||
| Dielectric strength | 150 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
