Product features

Ex Safety
  • Ex zone 1 and 21

  • Thermoplastic enclosure

  • Cold-resistant down to -60 °C

  • High degree of protection IP66 / IP67 / IP69

  • Mounting details to EN 50047

  • Wiring compartment

  • Double insulated X

  • Actuator head turned by 90°

Notes

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

  • The actuator is not included in the delivery of the switches

Technical data

Applied standards

EN 60947-5-1, EN IEC 60079-0, EN 60079-1, EN IEC 60079-7, EN 60079-31, EN ISO 13849-1, EN ISO 14119

Enclosure

thermoplastic, glass-fibre reinforced, impact resistant, self-extinguishing UL 94 V-0

Cover

thermoset, glass-fibre reinforced, impact resistant, self-extinguishing UL 94 V-0

Sealing

silicone

Switch type

type 2

Coding level

low coding

Tightening torque

cover screws: 0.4 … 0.45 Nm

Degree of protection

IP66 to EN 60079-0 + IEC/EN 60529 (... -60 °C)
IP67 to EN 60079-0 + IEC/EN 60529 (... -20 °C)
IP67 / IP69 to IEC/EN 60529
IP69K to ISO 20653

B10d (10 % load)

2 million

TM

max. 20 years

Contact material

Silver, nickel-plated

Switching system

slow action, positive break NC contacts A

Switching elements

1 NC/1 NO contact, 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 and suitable for the specified ambient temperature range

Clamping range

7 … 12 mm

Utilisation category

AC-15

Rated operating current Ie

max. 2 A or 4 A X

Rated operating voltage Ue

max. 500 VAC, max. 250 VAC for unequal potential

Mechanical life

> 1 million operations

Impact energy

max. 7 J

Temperature class

T6

Ambient temperature

–60 °C … +55 °C max. 4 A, +60 °C max. 2 A

Short-circuit protection

2 A / 4 A gG/gN fuse

Ex marking

L II 2G Ex db eb IIC T6 Gb,
L II 2D Ex tb IIIC T80 °C Db
IECEx Ex db eb IIC T6 Gb,
Ex tb IIIC T80 °C Db

Approvals

BVS 16 ATEX E 052
IECEx BVS 16.0052
f d a Ô <

Weight

380 g

Downloads

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Mounting and wiring instructions – Ex 97 AZ

German, English, French, Italian, Portuguese, Russian

PDF 2 MB 18.09.2023

Variants / Options

The following variants / options are available on request:

  • 3 contacts
to your contact persons
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