Autonics SFDL-MA-M20 Safety Door Lock Switches
SFDL-MA-M20 Safety Door Lock Switches provide 1300N locking strength, 80N opening force, 24VDC rated voltage, and 20 operations per minute. Manufactured by Autonics, these Safety Door Lock Switches belong to the SFD Series and support operating speeds from 0.05 to 1 m/s with a defined 10 mm opening distance for industrial automation use.
| 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 Autonics SFDL-MA-M20 Safety Door Lock Switches is a safety door switch used for controlled access monitoring in industrial automation systems. This model provides 1300N locking pullout strength, 80N directing opening force, and a 24VDC rated voltage with defined mechanical actuation. It is part of the SFD Series and supports machine safety logic across automated environments.
In industrial automation setups, the SFDL-MA-M20 is installed on conveyors, packaging machines, assembly stations, and guarded enclosures. It ensures equipment operates only when safety doors are closed and locked. Defined operating speeds, stable switching frequency, and consistent electrical ratings help maintain reliable safety conditions within control panels.
The SFDL-MA-M20 Safety Door Lock Switches combines mechanical locking strength with stable electrical performance for industrial safety circuits. With specified resistive and inductive load ratings, controlled operating limits, and repeatable force values, it aligns with standard safety requirements. This makes the device suitable for long-term use in Indian industrial automation applications.
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