EUCHNER – More than safety.
EUCHNER – More than safety.

STP-TW-4A-4141AC024L024M (Order no. 103636)

Safety switch STP-TWIN with door monitoring contact

  • Two actuating heads made of metal
  • Simultaneous monitoring of two safety doors
  • Auxiliary release on the front
  • With door monitoring contact
  • With LED function display
STP-TW-4A-4141AC024L024M (Order no. 103636)


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


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

Switching element


Slow-action switching contact 2 NC + 2 NC (door monitoring contact)

Auxiliary release

This 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.

Auxiliary key release

Additional lock on the switch head. Function as for auxiliary release. The auxiliary key release setting is indicated in the window. Two keys are included.

Function drawing
Function drawing
Dimension drawing
Dimension drawing
Wiring drawing<br>4141
Wiring drawing
Electro-mechanical safety switches

Function drawings

Function drawings

Dimension drawings

Dimension drawings
1do not screw tight here (2x)
2Auxiliary release
3Locking screw
4LED indicator

Connection examples

Connection examples
Door monitoring
Solenoid monitoring

Technical data


EAC_RU C-DE.MO05.B.00971/20c_UL_us_E155795_2/1CCC_2020980305000541_CQC2008010305306207

Electrical connection ratings

Display module 24 V -15% ... +10%
Connection cross-section 0.34 ... 1.5 mm²
Rated insulation voltage Ui 250 V
Rated impulse withstand voltage Uimp 2.5 kV
Power consumption 8 W
Short circuit protection according to IEC 60269-1 4A gG
Solenoid operating voltage
AC/DC 24 V -15% ... +10%
Switching current
min. at 24 V 1 mA
Switching voltage
min. at 10 mA 12 V
Utilization category
DC-13 4A 24V
AC-15 4A 230V
Solenoid duty cycle 100 %
rated thermal current Ith 4 A

Mechanical values and environment

Approach direction A C (two actuating heads)
Approach speed max. 20 m/min
Number of door position positively driven contacts 2
Number of guard lock monitoring positively driven contacts 2
3 x M20 x 1.5
Degree of protection IP67
Extraction force 30 N
Housing Reinforced thermoplastic
Contact Silver alloy, gold flashed
Actuation frequency max. 1200 1/h
Actuating force 35 N
Mechanical life 1 x 10⁶
Installation orientation any
Insertion depth 24.5 mm
Retention force 20 N
Switching principle Slow-action switching contact
Ambient temperature -20 ... +55 °C
Locking force Fmax 2500 N
Locking force FZh 2000 N
Guard locking principle Open-circuit current principle

Reliability values according to EN ISO 13849-1

Monitoring of guard locking and the guard position
B10D 5 x 10⁶

In combination with actuator ACTUATOR-S-GT-SN

Overtravel 5 mm



Complete package

Download all important documents with a single click.


  • The operating instructions and any additions to the operating instructions or brief instructions
  • Any data sheets to supplement the operating instructions
  • The declaration of conformity
Download Complete Package (ZIP, 7,1 MB)

Single Documents

Other Documents

Ordering data

Ordernumber 103636
Item designation STP-TW-4A-4141AC024L024M
Gross weight 0,677kg
Customs tariff number 85365019

Technical support

Technical support
Do you have technical questions about our products, their possible use or applications? Our experts will be happy to help. [euchner-zips id=50]