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

Product Information for the Series

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

Technical drawing

Variant characteristics

Dimensions: Ø 3.8 × L 18 mm

MMS-201 -1
Form A-1
Contact formForm A (normally open)
Operating temperature–20°C … +80°C
Sensitivity7...25 AT
Switching current0.5 A
Switching voltage VDC200 VDC
Switching voltage VAC140 VAC
Continuous current1.0 A
Voltage rating200 VDC
Small quantities & samples Shop iconTo the shop
MMS-201 -1
Form A-1
Contact formForm A (normally open)
Operating temperature–20°C … +80°C
Sensitivity7...25 AT
Switching power10 W
Switching current0.5 A
Switching voltage VDC200 VDC
Switching voltage VAC140 VAC
Continuous current1.0 A
Voltage rating200 VDC
Small quantities & samples Shop iconTo the shop

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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