Ex safety switch for hinged guards

Ex 97 SB-3G/D


  • Ex zone 2 and 22

  • Thermoplastic enclosure

  • High degree of protection IP66 / IP67

  • Design to EN 50047

  • Wiring compartment

  • Actuator can be repositioned by 4 x 90°

  • Shaft bore ø 10 mm

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

Degree of protection

IP66 / IP67 (EN 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

Switching elements

1 NC/1 NO contact or 2 NC contacts, 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

Clamping range

7 … 12 mm

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

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

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 SB-3G/D

German, English, French, Italian, Portuguese

PDF 2 MB 14.12.2023
Please go to the relevant product pages for additional downloads.