STA3A-2131A024MC2524 (Order no. 167143)

Safety switch STA with door monitoring contact

  • Auxiliary release on the front
  • With door monitoring contact
STA3A-2131A024MC2524 (Order no. 167143)

Description

Approach direction

Horizontal and vertical

Can be adjusted in 90° steps

Solenoid operating voltage

  • AC/DC 24 V +10%, -15%

Guard locking type

STA3

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

Switching element

2131

Slow-action switching contact 2 NC + 1 NO + 1 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.

Switching function
Switching function
Dimension drawing
Dimension drawing
Wiring diagram 2131
Wiring diagram 2131
Electromechanical safety switches in use

Functional drawings

Functional drawings

Dimensional drawings

Dimensional drawings
1Auxiliary release
2Locking screw

Connection examples

Connection examples
square_grey_dark.epsDoor monitoring
square_grey_light.epsSolenoid monitoring

Technical data

Approvals

EAC_RU C-DE.MO05.B.00971/20CCC2024010305643586_SafetySwitch T_STc_UL_us_E155795_2/1

Electrical connection values

Fuse max. 4 A gG
Power consumption 8 W
Connection cross section 0.34 ... 1.5 mm²
Rated insulation voltage Ui 250 V
Rated impulse voltage Uimp 2.5 kV
Utilization category
AC-15 4 A 230 V
DC-13 4 A 24 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 A
Connection type
3 x M20 x 1.5
Number of door position NC contacts 1
Number of guard lock monitoring NO contacts 1
Number of guard lock monitoring positively driven contacts 2
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 ... 80 °C
Mechanical life 1 x 10⁶
Retention force 20 N
Switching principle Slow-action switching contact
Degree of protection IP67
Ambient temperature -20 ... 80 °C
Material
Housing Alloy - die-cast
Contact Silver alloy, gold flashed
Locking force Fmax 3000 N
Locking force FZh 2300 N
Guard locking principle Closed-circuit current principle

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

B10DMission time
Monitoring of guard locking1.15x10720 y
Important! Values valid at DC-13 100 mA/24V


PLMaximum SILCategoryMission time
Control of guard lockingDepending on external control of guard locking20 y


Miscellaneous

C number
C2524 with declaration of conformity according to the Lifts Directive

Accessories

Downloads

Complete package

Download all important documents with a single click.

Content:

  • 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, 5,5 MB)

Single Documents

Other Documents

Ordering data

Ordernumber 167143
Item designation STA3A-2131A024MC2524
Gross weight 0,718kg
Customs tariff number 85365019
ECLASS 27-27-26-03 Safety switch with guard control