Ex ZS 73 S-3D

Applied standards

EN 60947-5-1, EN 60947-5-5, EN IEC 60079-0, EN 60079-31, EN ISO 13850, EN ISO 13849-1

Enclosure

aluminium die-cast, enamel finish

Cover

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

Degree of protection

IP67 (IEC/EN 60529)

B_10d (10 % load)

200 000

T_M

max. 20 years

Contact material

silver

Switching system

slow action, positive break NC contacts A

Switching elements

1 NC/1 NO contact or 2 NC contacts, type Zb

Connection

cable H05VV-F

Cable cross-section

4 x 0.75 mm² (incl. conductor ferrules)

Cable length

3 m

Rated impulse withstand voltage U_imp

4 kV

Rated insulation voltage U_i

250 V

Conventional thermal current I_the

6 A

Utilisation category

AC-15; DC-13

Rated operating current/voltage I_e/U_e

6 A/250 VAC; 0.25 A/230 VDC

Short-circuit protection

6 A gG fuse

Ambient temperature

–20 °C … +65 °C

Mechanical life

> 100 000 operations

Max. wire length

2 x 100 m

Note

At 4 m distance intermediate wire supports are required. Two compensation springs type ZS 73/75 S must be installed, see accessories.

Impact energy

max. 7 J

Ex marking

L II 3D Ex tc IIIC T80°C Dc