Ex 61 Z / ExM 61 Z

Applied standards

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

Enclosure

aluminium die-cast, powder-coated

Cover

steel, powder-coated

Degree of protection

IP65 (IEC/EN 60529)

B_10d (10 % load)

Ex 61 Z: 2 million

T_M

max. 20 years

Switch insert

Ex 14, ExM 14

Contact material

silver

Switching system

slow or snap action

Switching elements

ExM 61: change-over contact with single break, Form C
Ex 61: 1 NC/1 NO contact, type Zb

Connection

cable H05VV-F

Cable cross-section

3 or 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

Ex 61: T6: 6 A; T5: 3 A
ExM 61: 5 A

Rated operating current/voltage I_e/U_e

Ex 61: 6 A/250 VAC, 0.25 A/230 VDC
ExM 61: 5 A/250 VAC, 0.16 A/230 VDC

Utilisation category

AC-15; DC-13

Short-circuit protection

Ex 61: 6 A gG fuse;
ExM 61: 5 A gG fuse

Ambient temperature

Ex 61: T6: –20 °C … +65 °C, T5: –20 °C … +75 °C, +90 °C with max. 3 A
ExM 61: –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

Ex 61:
L II 2G Ex db IIC T6/T5 Gb,
L II 2D Ex tb IIIC T80 °C/T95 °C Db

ExM 61:
L II 2G Ex d IIC T6 Gb,
L II 2D Ex tb IIIC T80 °C Db IP65

Approvals

Ex 61:
PTB 03 ATEX 1070 X*
IECEx PTB 06.0098X*
d


ExM 61:
PTB 03 ATEX 1069 X*


*referring to the switch insert