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

SGA1A-2131A-M-EX (Sip. No. 123460)

Safety switch SGA, ATEX

  • ATEX version
  • Suitable for use in zones 2 and 22 (gases and dusts)
  • Cable entry M20 x 1.5
  • Switching disc made of metal
SGA1A-2131A-M-EX (Sip. No. 123460)


Approach direction



Horizontal and vertical

Can be adjusted in 90° steps

Switching element

2131Slow-action switching contact 3 NC + 1 NO
Dimension drawing
Dimension drawing
Electro-mechanical safety switches

Dimension drawing

Dimension drawing
1Fixed positioning for safety-related applications (screw M5)
2Ground switch via cable lug to prevent electrostatic charging. Cable cross-section 4...6 mm²
3Cable gland included clamping range Ø6.5...12mm
4Locking screw M20x1.5 (2x)
5Insertion depth



Teknik Veriler


Zulassung EACZulassung c_UL_us LISTEDATEX

Mekanik Değerler ve Çevre

Housing material
Housing Die-cast alloy, cathodically dipped
Net 0,5 kg
Ambient temperature -10 ... 75 °C
Degree of protection IP67
Mechanical life 2 x 106
Contact material Silver alloy, gold flashed
Switching principle Slow-action switching contact
Installation orientation Any
Number of door position positively driven contacts 3
Number of door position NO contacts 1
3 x M20 x 1.5
Approach speed max.20 m/min
Actuation frequency max.6700 1/h
Retention force 10 N
Extraction force 25 N
Actuating force 25 N
Insertion depth 24,5 mm

Elektriksel Bağlantı Değerleri

Thermal rated current Ith 4 A
Utilization category acc. to EN 60947-5-1
AC-15 4A 50V
DC-13 4A 24V
Short circuit protection according to IEC 60269-1 4A gG
Rated insulation voltage Ui 50 V
Rated impulse withstand voltage Uimp 2,5 kV
Switching voltage
Min. at 10mA 12 V
Switching current
Min. at 24V 1 mA
Connection cross-section 0,34 ... 1,5 mm²


Explosion protection
incl. cable gland II3G Ex nR IIB T5 Gc X / II3D Ex tc IIIC T90° Dc X

EN ISO 13849-1 uyarınca güvenilirlik değerleri

Monitoring of the safety guard position
B10D 3 x 106

In combination with Actuator BETAETIGER-S-G-SN-C2115

Mechanical values and environment

Overtravel 5 mm



Teknik Destek

Teknik Destek
Do you have technical questions about our products, their possible use or applications? Our experts will be happy to help.

EUCHNER Endüstriyel Emniyet
+90 216 359-5656