Autonics SFDL-MA-M20 Safety Door Lock Switches
The SFDL-MA-M20 Autonics Safety Door Lock Switches unit provides IP67 protection with minimum 80N opening force and 1,300N pullout strength. Manufactured by Autonics, this model belongs to the SFN Series of Autonics Safety Door Lock Switches used in industrial automation systems across India. It supports minimum 10mm directing opening distance, operating speed from 0.05 to 1m/s, maximum 20 operations per minute, minimum 1,000,000 mechanical life cycles, IP67 protection structure except head, zinc head construction, polyamide 66 case, stainless steel 304 operation key, and approximately 440g weight.
| Brand | Autonics |
| Product Type | Safety Door Switch |
| Model Number | SFDL-MA-M20 |
Autonics SFDL-MA-M20 Safety Door Lock Switches – Technical Specifications
| Specification | Value |
|---|---|
| Directing opening force | Min. 80N |
| Directing opening distance | Min. 10mm |
| Locking pullout strength | Min. 1,300N |
| Operating speed | 0.05 to 1m/s |
| Operating frequency | Max. 20/min |
| Life cycle_Mechanical | Min. 1,000,000 operations (20/min) |
| Vibration_Malfunction | 0.35mm single amplitude at frequency of 10 to 55Hzin each X,Y,Z direction for 10 min |
| Shock | 1,000m/s² (approx. 100G) in each X, Y, Z direction for 3 times |
| Shock_Malfunction | 1,000m/s² (approx. 100G) in each X, Y, Z direction for 3 times |
| Environment_Ambient temperature | -10 to 55℃, storage: -25 to 65℃ |
| Environment_Ambient humidity | 35 to 85% RH, storage: 35 to 85% RH |
| Protection structure | IP67(IEC standerd, except head) |
| Material | Head: zinc, case: polyamide 66, operation key: stainless steel 304 |
| Applicable cable | AWG22 |
| Sold separately | Operation key |
| Rated load voltage & current | Resistive load : 1A/120VAC~, 0.22A/125VDC@(=)Inductive load : AC-15 1A/120VAC~, DC-13 0.22A/125VDC@(=) |
| Dielectric strength_Between the terminals of same polarity | 1.5kV |
| Dielectric strength_Between the terminals of different polarity | 1.5kV |
| Dielectric strength_Between each terminal and non-live part | 2.5kV |
| Insulation resistance | 100MΩ or more (500VDC megger basis) |
| Contact resistance | Max. 200mΩ |
| Life cycle_Electrical | Min. 100,000 operations (125VAC~/1A) |
| Conditional short circuit current | 100A |
| Rated voltage | 24VDC@(=) |
| Current consumption | Supplying power: 0.26ANormal: max. 0.2A (approx. 3 seconds after supplying power) |
| Insulation class | Class E |
| Weight | Approx. 440g(approx. 375g) |
The SFDL-MA-M20 Autonics Safety Door Lock Switches device is designed for machine guard locking and safety monitoring in industrial automation systems. It operates with minimum 80N directing opening force, 1,300N locking pullout strength, and IP67 protection against dust and water exposure. With a mechanical life of 1,000,000 operations, this model belongs to the SFN Series and supports consistent safety interlocking functions.
In industrial facilities across India, the SFDL-MA-M20 is installed on guard doors of conveyors, packaging equipment, automated assembly lines, and production machinery. The operating speed range of 0.05 to 1m/s and maximum frequency of 20 operations per minute allow controlled safety actuation. Its zinc head, polyamide case, and stainless steel operation key provide durable mechanical locking performance.
The SFDL-MA-M20 Autonics Safety Door Lock Switches unit ensures dependable door interlocking with defined opening force and pullout strength parameters. As part of the SFN Series manufactured by Autonics, it supports machine safety systems requiring long mechanical life and stable locking performance. This model is suitable for guard door monitoring and access control across industrial automation applications.
