Technical data
Ex-safety switches 20 A
Marking accd. to 2014/34/EU D II 2 G Ex ed ia IIC T6 / D II 2 D Ex tD A21 IP66 T80 °C
EC-Type Examination Certificate PTB 99 ATEX 1161
IECEx Certificate of Conformity BKI 07.0012
Marking accd. to IECEx Ex ed ia IIC T6
Ex tD A21 IP66 T55 °C
Permissible ambient temperature –20 °C up to +40 °C1)
Rated voltage up to max. 690 V
Rated current max. 20 A
Frequency 50/60 Hz
Rated making-/rated breaking capacity AC-3
accd. EN 60947-3
Ue 230 V / Ie 20 A
Ue 400 V / Ie 20 A
Ue 500 V / Ie 16 A
Ue 690 V / Ie 10 A
Rated making-/ breaking capacity DC 1/DC 23
accd. EN 60947-3
Ue 60 V / Ie 20 A (1 contact)
Ue 120 V / Ie 20 A (2 contacts in series)
Rated making-/ breaking capacity DC-13 (L/R = 100 ms)
accd. EN 60947-3
Ue 60 V / Ie 6 A
Switch-disconnector for maintenance
accd. to IEC 62262-1
Class 1
Back-up fuse up to 400 V AC: 35 A gG
up to 500 V AC: 35 A gG
up to 690 V AC: 25 A gG
Connecting terminals main contact
auxiliary-/Signal contact
max. 2 x 4 mm2 (stranded wire or fine wire) / max. 6 mm² (pin cable lug)
2 x 0.5 - 2.5 mm2 (option)
Protection class I
Degree of protection accd. to EN 60529 IP66
Cable glands/enclosure drilling M20 cable gland see ordering details
M25 cable gland see ordering details
M32 cable gland see ordering details
Option: metal flange with thread
Weight 3-pole 6-pole
approx. 1.48 kg
approx. 2.43 kg
Enclosure material glass-fibre reinforced polyester
Enclosure colour black
Auxiliary contact (option) 1 x NO making - lagging; breaking - leading
1 x NC (only 6-pole version) making - leading; breaking - lagging
Padlocking facility can be locked in OFF position with 3 commercially available padlocks (Ø max. 6 mm)
