Ex 61

Applied standards

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

Enclosure

aluminium die-cast, powder-coated

Cover

steel, powder-coated

Switch type

type 1

Coding level

no coding

Degree of protection

IP65 (IEC/EN 60529)

B_10d (10 % load)

2 million

T_M

max. 20 years

Switch insert

1 x Ex 14

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 contact, 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

T6: 6 A, T5: 3 A

Rated operating current/voltage I_e/U_e

6 A/250 VAC, 0.25 A/230 VDC

Utilisation category

AC-15; DC-13

Short-circuit protection

6 A gG fuse

Ambient temperature

T6: –20 °C … +65 °C,
T5: –20 °C … +75 °C, +90 °C with max. 3 A

Mechanical life

> 1 million operations

Operation cycles

max. 1800/h

Repeat accuracy of switching points

± 0.1 mm

Contact opening

max. 2 x 4.5 mm

Impact energy

max. 7 J

Ex marking

L II 2G   Ex db IIC T6/T5 Gb,
L II 2D   Ex tb IIIC T80 °C/T95 °C Db

Approvals

PTB 03 ATEX 1070 X*
IECEx PTB 06.0098X*
d
*referring to the switch insert