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品牌: .steute
名称: 防爆门锁开关
型号: Ex ST 61
网络: .steute

Ex zone 1 and 21

Metal enclosure

Double insulation Schutzisoliert

Slow action Zwangsöffnung, change-over contact with double break

Pre-wired cable

Long life

High level of contact reliability with low voltage and currents

Special version only for dust Ex zone 22 available

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

 

Standards
EN 60947-5-1; EN 1088;
EN 60079-0, EN 60079-1,
EN 60079-31; EN ISO 13849-1
Enclosure
aluminium die-cast, enamelled
Actuator
stainless steel 1.4301
Switch insert
Ex 14
Degree of protection
IP 65 according to EN 60529
Contact material
silver
Switching system
slow action,
NC contact with positive break Zwangsöffnung
Switching elements
change-over contact with double break Zb, galvanically separated contact bridges
Connection
pre-wired cable
H05VV-F 4 x 0.75 mm2
B10d(10% Load)
2 million
TM
max. 20 years
Cable length
3 m
Uimp
4 kV
Ui
250 V
Ithe
T6: 6 A; T5: 3 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
Positive break travel
12 mm
Ambient temperature
T6: –20 °C … +65 °C,
T5: –20 °C … +95 °C
Mechanical life
> 1 million operations
Ex marking
EEx geprüft II 2G Ex d IIC T6/T5 Gb
EEx geprüft II 2D Ex tb IIIC
T80°C/T95°C Db IP65
IECEx Ex d IIC T5/T6 Gb
Ex tb IIIC T80°C/T95°C Db IP65
Approvals
PTB 03 ATEX 1070 X
IECEx PTB 06.0098X
(referring to the switch insert)

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