Ex 98-3G/D

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

aluminium die-cast, corrosion-resistant, powder-coated, anthracite grey, similar to RAL 7016

Cover

aluminium die-cast, powder-coated, signal yellow, similar to RAL 1003

Sealing

silicone

Switch type

type 1

Coding level

no coding

Degree of protection

IP67 (IEC/EN 60529)

B_10d (10 % load)

2 million

T_M

max. 20 years

Contact material

silver

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 2 NC/1 NO, type Zb

Connection

screw connection terminals

Cable cross-section

min. 0.5 mm² (AWG 20), max. 1.5 mm² (AWG 16), incl. conductor ferrules

Cable entry

1 x M20 x 1.5 (for cable glands only)

Clamping range

7 ... 13 mm (without reduction sealing insert)
4 ... 8 mm (with reduction sealing insert)

Rated impulse withstand voltage U_imp

4 kV

Rated insulation voltage U_i

2 contacts: 400 V, 3 contacts: 250 V

Conventional thermal current I_the

2 contacts: 6 A, 3 contacts: 1.5 A

Rated operating current/voltage I_e/U_e

2 contacts: 6 A/250 VAC; 0.25 A/230 VDC
3 contacts: 1.5 A/250 VAC; 0.2 A/250 VDC

Utilisation category

AC-15; DC-13

Short-circuit protection

2 contacts: 6 A gG fuse
3 contacts: 1.5 A gG fuse

Ambient temperature

T6: –20 °C … +40 °C;
T5: –20 °C … +60 °C

Mechanical life

> 1 million operations

Operation cycles

max. 1800/h

Repeat accuracy of switching points

± 0.1 mm

Impact energy

max. 7 J

Ex marking

L II 3G Ex dc ec IIC T6/T5 Gc X,
L II 3D Ex tc IIIC T80 °C/T95 °C Dc