Ex belt alignment switch
Ex ZS 90 SR
Ex zone 1 and 21
Thermoset enclosure
2 or 4 contacts
With contact staggering
With latching and release by lever possible
Belt-alignment lever continuously adjustable
Attention: Please state required international approvals with your order!
Technical data
General technical data
Applied standards
EN 60947-5-1, EN IEC 60079-0, EN 60079-1, EN 60079-31, EN ISO 13849-1
Enclosure
thermoset, UV resistant to EN ISO 4892
Cover
thermoset, UV resistant to EN ISO 4892
Degree of protection
IP65 (IEC/EN 60529)
B10d (10 % load)
Ex ZS 90 SR VD: 200 000,
Ex ZS 90 SR: 2 million
TM
max. 20 years
Switch insert
2 x Ex 14
Contact material
silver
Switching system
slow action, positive break NC contacts A
Switching elements
1 NC/1 NO contact or 2 NC/2 NO contacts, type Zb
Connection
pre-wired cable H05VV-F
Cable length
3 m
Cable entry
2 x M25 x 1.5 (incl. 2 cable glands)
Rated impulse withstand voltage Uimp
4 kV
Rated insulation voltage Ui
250 V
Conventional thermal current Ithe
6 A
Utilisation category
AC-15; DC-13
Rated operating current/voltage Ie/Ue
6 A/250 VAC; 0.25 A/230 VDC
Short-circuit protection
6 A gG/gN fuse
Ambient temperature
T6: –20 °C … +65 °C,
T5: –20 °C … +75 °C, +90 °C with max. 3 A
Mechanical life
Ex ZS 90 SR VD:
> 100 000 operations,
Ex ZS 90 SR:
> 1 million operations
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
IECEx Ex db IIC T6/T5 Gb,
Ex tb IIIC T80 °C/T95 °C Db
Approvals
PTB 03 ATEX 1070 X *
IECEx PTB 06.0098X *
* referring to the switch insert
