EUCHNER STA4A-2131A024M

ORDER NO. 096939

Order number	096939
Item designation	STA4A-2131A024M
Gross weight	0,653kg
Customs tariff number	85365019

Safety switch STA with door monitoring contact

Auxiliary release on the front
With door monitoring contact

Approach direction

Horizontal and vertical

Can be adjusted in 90° steps

Solenoid operating voltage

AC/DC 24 V +10%, -15%

Guard locking type

STA4	Open-circuit current principle, guard locking by applying voltage to the guard locking solenoid. Release by spring force.

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.

Electrical connection ratings

Power consumption	8 W
Connection cross-section	0.34 … 1.5 mm²
Rated insulation voltage U_i	250 V
Rated impulse withstand voltage U_imp	2.5 kV
Short circuit protection according to IEC 60269-1	4A gG
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 operating voltage
AC/DC	24 V -15% … +10%
Solenoid duty cycle	100 %
rated thermal current I_th	4 A

Mechanical values and environment

Approach direction	A
Approach speed	max. 20 m/min
Number of door position NC contacts	1
Number of guard lock monitoring NO contacts	1
Number of guard lock monitoring positively driven contacts	2
Connection
3 x	M20 x 1.5
Degree of protection	IP67
Extraction force	30 N
Material
Housing	Alloy – die-cast
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
Switching principle	Slow-action switching contact
Retention force	20 N
Ambient temperature	-20 … +80 °C
Locking force F_max	3000 N
Locking force F_Zh	2300 N
Guard locking principle	Open-circuit current principle