
Brand: ESPE
Model: SLM21 series
Product Feature:
1. Multiple contacts for selection;
2. Holding force 1300N;
3. Ip67 protection rate;
4. Various inserting direction;
5. Support general load or micro-load.

Brand: ESPE
Model: SLM21 series
Product Feature:
1. Multiple contacts for selection;
2. Holding force 1300N;
3. Ip67 protection rate;
4. Various inserting direction;
5. Support general load or micro-load.
Product Details
Parameter of safety door switch
| Electromagnetic tube | ||
| Rated Voltage | DC24V | |
| Capacity | 4.8W | |
| Rated current | Approximate 200mA | |
| Insulation | Clas N (130°C) | |
| LED indicator | ||
| Rated voltage | DC24V | |
| Rated current | Approximate 1mA | |
| Luminous color (LED) | Green | |
| Safety level | ||
| Certificate | CE TUV | |
| Standard | EN60947-5-1, GB14048.5, IEC61508, EN ISO 14119 | |
| Protection rate | IP67 | |
| Material | PA66 fire retardant | |
| Mechanical lifespan | >1 million | |
| Electrical lifespan | Over 150, 000 times (AC240V3A, resistive load) | |
| Using Type | AC-15 | DC-13 |
| Rated operating voltage(Ue) | 240V | 24V |
| Rated operating current(Ie) | 3A | 2A |
| Electrical parameter | ||
| Contact resistance | <24mΩ | |
| Nominal discharge current (lth) | 10A | |
| Rated insulation voltage (Ui) | 300V | |
| Anti-electric shock level | Class II (double insulation) | |
| Pulse withstand voltage (EN60947-5-1) | 2.5kv | |
| Insulation resistance | >100mΩ | |
| Short-circuit protection | 10A, 250V requires a quick-break fuse | |
| Vibration resistance | 10-55HZ, double amplitude 1.5mm | |
| Compact resistance | Durability 1000/S², mal-operation 300m/S² | |
| Conditional short-circuit current | 100A (EN60947-5-1) | |
| Space of contact | Above 2 x 2mm | |
| Action characteristic | ||
| Direct opening force | Minimum 60N | |
| Direct opening travel | Over 10mm | |
| Allowed operating speed | 0.1m-0.5m/s | |
| Allowed operating frequency | Maximum 30 times/minute | |
| Holding force | 1300N | |
| Environment | ||
| Operating environment | 3 (EN60947-5-1) | |
| Operating temperature | -10°C to 55°C ( no freezing) | |
| Operating humidity | <95% RH | |
Product Size

Explanation Model (example:SLM21-BPMF2)

Structure And Action
Below wire diagram for switch with key inserts & lock status. (Terminal 12 &41, 22&51, 32&61 is inside connection)

Product installation
| Releasing the 4 screws on top of the cap, spinning the direction of top cap until the suitable position for key inserting | ![]() |
| When install on side hung door, it should be over than semidiameter. | ![]() |
| Please install the safety switch door and insertion key under range 1-3.5mm. | ![]() |
| The installation of operation key allows ±1mm error within the key insertion center of the hole. | ![]() |