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品牌: .steute
名称: 防爆位置开关
型号: Ex 355
网络: .steute

Ex zone 1 and 21

Metal enclosure

Mounting and switching details to EN 50 041

Wiring compartment

3 cable entries

Actuating elements can be repositioned by 4 x 90°

Rocking lever can be repositioned by 10° steps

Special version only for dust Ex zone 22 available

With gold-plated contacts available on request

N.B.: Please state required approvals for Russia and Brazil with your order!

 

Standards
EN 60947-5-1; EN 1088;
EN 60079-0, EN 60079-1,
EN 60079-7, EN 60079-31
Design
mounting dimensions and switching points to DIN EN 50 041
Enclosure
zinc die casting, enamelled
Switch insert
Ex 95
Degree of protection
IP 67 to IEC/EN 60529
Contact material
silver
Switching system
slow action, positive break
NC contact Zwangsöffnung
Switching elements
change-over contact with double break Zb or 2 NC contacts, galvanically separated contact bridges
Connection
M3 screw clamps
Cable section
max. 1.5 mm²
(incl. conductor ferrules)
Uimp
4 kV
Ui
250 V
Ithe
6 A
Ie/Ue
6 A/250 VAC; 0.25 A/230 VDC
Utilisation category
AC-15, DC-13
Max. fuse rating
6 A gL/gG D-fuse
Ambient temperature
–20 °C … +60 ºC
Mechanical life
> 1 million operations
Switching frequency
1800/h
Repeat accuracy
±0.1 mm
Contact gap
max. 2 x 3.5 mm
Ex marking
EEx geprüft II 2G Ex de IIC T6/T5 Gb,
EEx geprüft II 2D Ex tb IIIC
T80°C/T95°C Db IP65
IECEx Ex de IIC T6/T5 Gb,
Ex tb IIIC T80°C/T95°C Db IP65
Approvals
BVS 04 ATEX E 126,
IECEx BVS 07.0013

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