STM2A-222B024-M (Rend. sz. 095398)

Safety switch STM, cable entry M20 x 1.5

  • Actuating head made of metal
  • Cable entry M20 x 1.5
  • Auxiliary release
  • Open-circuit current principle
STM2A-222B024-M (Rend. sz. 095398)

Ismertetés

Approach direction

Horizontal and vertical

Can be adjusted in 90° steps

Increased overtravel for horizontal approach direction

If increased play is required when the door is closed, an actuator with overtravel is available. With this actuator the door can move slightly in the actuating direction when closed. This is important, for example, if safety doors have a rubber end stop. Using an actuator with overtravel, the continuous pressure from the compressed rubber can be reduced. In this way the load is reduced on the switch head and the door mechanism.

Guard locking principle

Open-circuit current (power on to lock): On a guard with guard locking based on the open-circuit current principle, the guard is locked until the power supply to the guard locking solenoid is interrupted. Unlocking is by spring force. The term electrical guard locking is also used.

Switching element

222

Slow-action switching contact

Contacts for guard locking: 1 positively driven contact

Contacts for door monitoring: 2 positively driven contacts

Auxiliary release

The auxiliary release on the front makes it possible to access the machine if there is a malfunction, e.g. a power failure. Unlocking is performed using a tool or a key. The auxiliary release must be protected against misuse (sealing, lacquer).

Accessories required

Actuator is not included.

Switching function
Switching function
Dimension drawing
Dimension drawing
Wiring diagram 222
Wiring diagram 222
Electromechanical safety switches in use

Functional drawings

Functional drawings

Dimensional drawings

Dimensional drawings
1Auxiliary release
2Locking screw
3Actuator S standard
4Insertion depth

Connection examples

Connection examples

Műszaki adatok

Approvals

EAC_RU C-DE.MO05.B.00971/20DGUV_STM_ET 22021_ET 22022c_UL_us_E155795_6/1CCC2024010305643586_SafetySwitch T_ST

Electrical connection values

Fuse max. 4 A gG
Power consumption 6 W
Connection cross section 0.34 ... 1.5 mm²
Rated insulation voltage Ui 250 V
Rated impulse voltage Uimp 2.5 kV
Utilization category
DC-13 4 A 24 V
AC-15 4 A 230 V
Solenoid operating voltage
AC/DC 24 V -15% ... +10%
Solenoid duty cycle 100 %
Switching voltage
min. at 10 mA 12 V
Switching current
min. at 24 V 1 mA
thermal rated current Ith 4 A

Mechanical values and environment

Anfahrgeschwindigkeit max. 20 m/min
Approach direction B
Connection type
1 x M20 x 1.5
Number of door position positively driven contacts 2
Number of guard lock monitoring positively driven contacts 1
Extraction force 30 N
Actuation frequency max. 1200 1/h
Actuating force 35 N
Installation orientation any
Insertion depth 24.5 mm
Storage temperature -25 ... 70 °C
Mechanical life 2 x 10⁶
Retention force 20 N
Switching principle Slow-action switching contact
Degree of protection IP67
Ambient temperature -20 ... 55 °C
Material
Housing Reinforced thermoplastic
Contact Silver alloy, gold flashed
Locking force Fmax 2000 N
Locking force FZh 1500 N
Guard locking principle Open-circuit current principle

Characteristic values according to EN ISO 13849-1 and EN IEC 62061

B10DMission time
Monitoring of the guard position2x10620 y
Important! Values valid at DC-13 100 mA/24V
Monitoring of guard locking2x10620 y
Important! Values valid at DC-13 100 mA/24V


In combination with actuator ACTUATOR-S-GT-SN

Overtravel 5 mm

Tartozékok

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Rendelési adatok

Rend. sz. 095398
Cikk neve STM2A-222B024-M
Súly 0,467kg
Vámtarifaszám 85365019000
ECLASS 27-27-26-03 Safety switch with guard control