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Home > Products > Safety Door Switch > SLM21 Safety Door Switch(6 contacts)

SLM21 Safety Door Switch(6 contacts)

SLM21 Safety Door Switch(6 contacts)

SLM21 Safety Door Switch(6 contacts)

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
  • Model Selection Table

Technical Parameter

Parameter of safety door switch
Electromagnetic tube
Rated Voltage
DC24V
Capacity4.8W
Rated currentApproximate 200mA
InsulationClas N (130­°C)
LED indicator
Rated voltageDC24V
Rated currentApproximate 1mA
Luminous color (LED)Green
Safety level
CertificateCE TUV
StandardEN60947-5-1, GB14048.5, IEC61508, EN ISO 14119
Protection rateIP67
MaterialPA66 fire retardant
Mechanical lifespan>1 million
Electrical lifespanOver 150, 000 times (AC240V3A, resistive load)
Using TypeAC-15DC-13
Rated operating voltage(Ue)240V24V
Rated operating current(Ie)
3A
2A
Electrical parameter 
Contact resistance<24mΩ
Nominal discharge current (lth)10A
Rated insulation voltage (Ui)300V
Anti-electric shock levelClass II (double insulation)
Pulse withstand voltage (EN60947-5-1)2.5kv
Insulation resistance>100mΩ
Short-circuit protection10A, 250V requires a quick-break fuse
Vibration resistance10-55HZ, double amplitude 1.5mm
Compact resistanceDurability 1000/S², mal-operation 300m/S²
Conditional short-circuit current100A (EN60947-5-1)
Space of contactAbove 2 x 2mm
Action characteristic
Direct opening forceMinimum 60N
Direct opening travelOver 10mm
Allowed operating speed0.1m-0.5m/s
Allowed operating frequencyMaximum 30 times/minute
Holding force1300N
Environment
Operating environment3 (EN60947-5-1)
Operating temperature-10°C to 55°C ( no freezing)
Operating humidity
<95% RH

Product Size

Explanation Model (example:SLM21-BPMF2)

SLM21 Safety Door Switch(6 contacts)

 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 insertingSLM21 Safety Door Switch(6 contacts)
When install on side hung door, it should be over than semidiameter.SLM21 Safety Door Switch(6 contacts)
Please install the safety switch door and insertion key under range 1-3.5mm.SLM21 Safety Door Switch(6 contacts)
The installation of operation key allows ±1mm error within the key insertion center of the hole.SLM21 Safety Door Switch(6 contacts)


Top release(Plastic)

Magnetic voltage/

indicator

Lock/Release

method

Contact type (door

monitor + lock monitor)

Connector

size

Model

Electromagnetic

DC24V

Green LED

Power to

release

1NC/1NO+1NC/1NOM20SLM21-APMT2
1NC/1NO+2NCM20SLM21-BPMT2
2NC+1NC/1NOM20SLM21-CPMT2
2NC+2NCM20SLM21-DPMT2
2NC/1NO+1NC/1NOM20SLM21-EPMT2
2NC/1NO+2NCM20SLM21-FPMT2
2NC/1NO+2NC/1NOM20SLM21-GPMT2
3NC+1NC/1NOM20SLM21-HPMT2
3NC+2NCM20SLM21-IPMT2
3NC+3NCM20SLM21-JPMT2
3NC+2NC/1NOM20SLM21-KPMT2
2NC/1NO+3NCM20SLM21-LPMT2

Power to

lock

1NC/1NO+1NC/1NOM20SLM21-APET2
1NC/1NO+2NCM20SLM21-BPET2
2NC+1NC/1NOM20SLM21-CPET2
2NC+2NCM20SLM21-DPET2
2NC/1NO+1NC/1NOM20SLM21-EPET2
2NC/1NO+2NCM20SLM21-FPET2
2NC/1NO+2NC/1NOM20SLM21-GPET2
3NC+1NC/1NOM20SLM21-HPET2
3NC+2NCM20SLM21-IPET2
3NC+3NCM20SLM21-JPET2
3NC+2NC/1NOM20SLM21-KPET2
2NC/1NO+3NCM20SLM21-LPET2


Top release(Metal)

Magnetic voltage/

indicator

Lock/Release

method

Contact type (door

monitor + lock monitor)

Connector

size

Model

Electromagnetic

DC24V

Green LED

Power to

release

1NC/1NO+1NC/1NOM20SLM21-AMMT2
1NC/1NO+2NCM20SLM21-BMMT2
2NC+1NC/1NOM20SLM21-CMMT2
2NC+2NCM20SLM21-DMMT2
2NC/1NO+1NC/1NOM20SLM21-EMMT2
2NC/1NO+2NCM20SLM21-FMMT2
2NC/1NO+2NC/1NOM20SLM21-GMMT2
3NC+1NC/1NOM20SLM21-HMMT2
3NC+2NCM20SLM21-IMMT2
3NC+3NCM20SLM21-JMMT2
3NC+2NC/1NOM20SLM21-KMMT2
2NC/1NO+3NCM20SLM21-LMMT2

Power to

lock

1NC/1NO+1NC/1NOM20SLM21-AMET2
1NC/1NO+2NCM20SLM21-BMET2
2NC+1NC/1NOM20SLM21-CMET2
2NC+2NCM20SLM21-DMET2
2NC/1NO+1NC/1NOM20SLM21-EMET2
2NC/1NO+2NCM20SLM21-FMET2
2NC/1NO+2NC/1NOM20SLM21-GMET2
3NC+1NC/1NOM20SLM21-HMET2
3NC+2NCM20SLM21-IMET2
3NC+3NCM20SLM21-JMET2
3NC+2NC/1NOM20SLM21-KMET2
2NC/1NO+3NCM20SLM21-LMET2


Front release(Plastic)

Magnetic voltage/

indicator

Lock/Release

method

Contact type (door

monitor + lock monitor)

Connector

size

Model

Electromagnetic

DC24V

Green LED

Power to

release

1NC/1NO+1NC/1NOM20SLM21-APMF2
1NC/1NO+2NCM20SLM21-BPMF2
2NC+1NC/1NOM20SLM21-CPMF2
2NC+2NCM20SLM21-DPMF2
2NC/1NO+1NC/1NOM20SLM21-EPMF2
2NC/1NO+2NCM20SLM21-FPMF2
2NC/1NO+2NC/1NOM20SLM21-GPMF2
3NC+1NC/1NOM20SLM21-HPMF2
3NC+2NCM20SLM21-IPMF2
3NC+3NCM20SLM21-JPMF2
3NC+2NC/1NOM20SLM21-KPMF2
2NC/1NO+3NCM20SLM21-LPMF2

Power to

lock

1NC/1NO+1NC/1NOM20SLM21-APEF2
1NC/1NO+2NCM20SLM21-BPEF2
2NC+1NC/1NOM20SLM21-CPEF2
2NC+2NCM20SLM21-DPEF2
2NC/1NO+1NC/1NOM20SLM21-EPEF2
2NC/1NO+2NCM20SLM21-FPEF2
2NC/1NO+2NC/1NOM20SLM21-GPEF2
3NC+1NC/1NOM20SLM21-HPEF2
3NC+2NCM20SLM21-IPEF2
3NC+3NCM20SLM21-JPEF2
3NC+2NC/1NOM20SLM21-KPEF2
2NC/1NO+3NCM20SLM21-LPEF2


Front release(Metal)

Magnetic voltage/

indicator

Lock/Release

method

Contact type (door

monitor + lock monitor)

Connector

size

Model

Electromagnetic

DC24V

Green LED

Power to

release

1NC/1NO+1NC/1NOM20SLM21-AMMF2
1NC/1NO+2NCM20SLM21-BMMF2
2NC+1NC/1NOM20SLM21-CMMF2
2NC+2NCM20SLM21-DMMF2
2NC/1NO+1NC/1NOM20SLM21-EMMF2
2NC/1NO+2NCM20SLM21-FMMF2
2NC/1NO+2NC/1NOM20SLM21-GMMF2
3NC+1NC/1NOM20SLM21-HMMF2
3NC+2NCM20SLM21-IMMF2
3NC+3NCM20SLM21-JMMF2
3NC+2NC/1NOM20SLM21-KMMF2
2NC/1NO+3NCM20SLM21-LMMF2

Power to

lock

1NC/1NO+1NC/1NOM20SLM21-AMEF2
1NC/1NO+2NCM20SLM21-BMEF2
2NC+1NC/1NOM20SLM21-CMEF2
2NC+2NCM20SLM21-DMEF2
2NC/1NO+1NC/1NOM20SLM21-EMEF2
2NC/1NO+2NCM20SLM21-FMEF2
2NC/1NO+2NC/1NOM20SLM21-GMEF2
3NC+1NC/1NOM20SLM21-HMEF2
3NC+2NCM20SLM21-IMEF2
3NC+3NCM20SLM21-JMEF2
3NC+2NC/1NOM20SLM21-KMEF2
2NC/1NO+3NCM20SLM21-LMEF2


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