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Euchner Euchner STP3A-2131A024L024M


Euchner STP3A-2131A024L024M


We are Euchner STP3A-2131A024L024M product supplier in India


Safety switch STP with door monitoring contact

  • Actuating head made of metal
  • Auxiliary release on the front
  • With door monitoring contact
  • With LED function display

Approach direction

Horizontal and vertical

Can be adjusted in 90° steps

Solenoid operating voltage

  • AC/DC 24 V +10%, -15%

LED function display

A function display (2 LEDs, red and green) is available for the following voltage ranges:

  • AC/DC 24 V +10%, -15%

Guard locking type

STP3Closed-circuit current principle, guard locking by spring force. Release by applying voltage to the guard locking solenoid.

Switching element

2131Slow-action switching contact 2 NC  + 1 NO + 1 NC (door monitoring contact)

Auxiliary release

Is used for releasing the guard locking with the aid of a tool. To protect against tampering, the auxiliary release is sealed with sealing lacquer.

Technical Data

Electrical connection ratings

Connection cross-section0.34 … 1.5 mm²
Display module24 V +10% … -15%
Power consumption8 W
Rated impulse withstand voltage Uimp2.5 kV
Rated insulation voltage Ui250 V
Short circuit protection according to IEC 60269-14A gG
Solenoid duty cycle100 %
Solenoid operating voltage
AC/DC24 V -15% … +10%
Switching current
min. at 24 V1 mA
Switching voltage
min. at 10 mA12 V
thermal rated current Ith4 A
Utilization category
DC-134A 24V
AC-154A 230V

Mechanical values and environment

Actuating force35 N
Actuation frequencymax. 1200 1/h
Ambient temperature-20 … +55 °C
Approach directionA
Approach speedmax. 20 m/min
3 xM20 x 1.5
Degree of protectionIP67
Extraction force30 N
Guard locking principleClosed-circuit current principle
Insertion depth24.5 mm
Installation orientationany
Locking force Fmax2500 N
Locking force FZh2000 N
ContactSilver alloy, gold flashed
HousingReinforced thermoplastic
Mechanical life1 x 10⁶
Number of door position NC contacts1
Number of guard lock monitoring NO contacts1
Number of guard lock monitoring positively driven contacts2
Retention force20 N
Switching principleSlow-action switching contact

Reliability values according to EN ISO 13849-1

Control of guard locking
CategoryDepending on external control of guard locking
Performance LevelDepending on external control of guard locking
PFHdDepending on external control of guard locking
Monitoring of guard locking and the guard position
B10d5 x 10⁶

In combination with actuator ACTUATOR-S-GT-SN

Overtravel5 mm
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