Ex position switch

Ex 97-3G/D


  • Ex zone 2 and 22

  • Thermoplastic enclosure

  • High degree of protection IP66 / IP67

  • Mounting details to EN 50047

  • Wiring compartment

  • Slow action

  • Actuator can be repositioned by 4 x 90°

  • Rocking lever can be repositioned by 10° steps

Notes

  • 1 Ex"e" cable gland M20x1.5 included in delivery.

Technical data

Applied standards
EN IEC 60079-0, EN 60079-1, EN IEC 60079-7, EN 60079-31, EN 60947-5-1, EN ISO 13849-1, EN ISO 14119
Enclosure
thermoplastic, glass-fibre reinforced, shockproof, self-extinguishing UL 94 V-0
Cover
thermoplastic, glass-fibre reinforced, shockproof, self-extinguishing UL 94 V-0
Sealing
silicone
Switch type
type 1
Coding level
no coding
Tightening torque
cover screws: 0.4 … 0.5 Nm
Degree of protection
IP66 / IP67 (EN IEC 60079-0 + IEC/EN 60529)
B10d (10 % load)
2 million
TM
max. 20 years
Contact material
Silver, nickel-plated
Switching system
slow action, positive break NC contacts A; positive break depends on the actuator used
Switching elements
1 NC/1 NO, 2 NC or 1 NC/1 NO contact with contact overlapping, type Zb
Connection
screw connection terminals
Cable cross-section
min. 0.75 mm² (AWG 18), max. 1.5 mm² (AWG 16), incl. conductor ferrules
Cable entry
M20 x 1.5; screwing depth max. 9 mm; use only Ex approved and certified cable glands with min. degree of protection IP66/IP67 and suitable for the specified ambient temperature range
Utilisation category
AC-15
Rated operating current/voltage Ie/Ue
max. 3 A or 6 A / max. 250 V
Degree of pollution
3
Mechanical life
1 million operations
Impact energy
max. 4 J
Temperature class
T6
Ambient temperature
–20 °C … +45 °C max. 6 A,
–20 °C … +60 °C max. 3 A
Short-circuit protection
3 A / 6 A gG/gN fuse
Safety class
II
Ex marking
L II 3G Ex dc ec IIC T6 Gc X,
L II 3D Ex tc IIIC T80 °C Dc X

Downloads

Mounting and wiring instructions – Ex 97-3G/D

German, English, French, Italian, Portuguese

PDF 4 MB 13.11.2025
Please go to the relevant product pages for additional downloads.

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