Zener barriers provide cost saving Ex-protection for various applications in process automation systems. The amount of energy transferred to the hazardous location is limited to a safe level incapable of igniting the explosive atmosphere.
Z-system zener barriers from Pepperl+Fuchs are directly mounted on a 35 mm DIN-Rail. Through accessories, the required grounding can be done directly on the DIN mounting rail.
- Fast mounting on the DIN-rail
- Grounding directly connected with DIN-rail
- Separation of field loop by removing the fus
Z-system zener barriers are available with high density up to 2 channels / 12,5 mm width. Variants with field replaceable fuses provide a convenient means of disconnecting or open-circuiting the instrument loop without interfering with the wiring, making commissioning and maintenance operations much easier.
General specifications
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1-channel, DC version, positive polarity, Working voltage 6.5 V at 10 µA, Series resistance max. 56 Ω, Fuse rating 100 mA, DIN rail mountable, Number of channels: 1-channel, Type: DC, positive, Working voltage: max. 8.5 V , 6.5 V at 10 µA |
Z710相關(guān)技術(shù)參數(shù):
General specifications
Type DC version, positive polarity
Electrical specifications
Nominal resistance 50 Ω
Series resistance max. 56 Ω
Fuse rating 100 mA
Hazardous area connection
Connection terminals 1, 2
Safe area connection
Connection terminals 7, 8
Working voltage max. 8.5 V , 6.5 V at 10 µA
Conformity
Degree of protection IEC 60529
Ambient conditions
Ambient temperature -20 ... 60 °C (-4 ... 140 °F)
Storage temperature -25 ... 70 °C (-13 ... 158 °F)
Mechanical specifications
Degree of protection IP20
Connection screw terminals , max. core cross-section 2 x 2.5 mm2
Mass approx. 150 g
Dimensions 12.5 x 115 x 110 mm (0.5 x 4.5 x 4.3 inch)
Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection with hazardous areas
EC-Type Examination Certificate BAS 01 ATEX 7005
Group, category, type of protection II (1)GD, I (M1) [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I (-20 °C ≤ Tamb ≤ 60 °C) [circuit(s) in zone 0/1/2]
Statement of conformity TÜV 99 ATEX 1484 X
Group, category, type of protection, temperature class II 3G Ex nA IIC T4 Gc [device in zone 2]
Directive conformity
Directive 2014/34/EU EN 60079-0:2012+A11:2013 , EN 60079-11:2012 , EN 60079-15:2010
International approvals
FM approval
Control drawing 116-0118
UL approval
Control drawing 116-0139
CSA approval
Control drawing 116-0119
IECEx approval IECEx BAS 09.0142
Approved for [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
Approved for [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
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Z710 Z779.H Z888 Z966.H
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Z728.H Z788 Z954 Z813
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Z731 Z788.R Z960 Z864
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Z757 Z796 Z961 Z865.F
Z764 Z810 Z961.F Z872
Z765 Z822 Z961.H Z879.F
Z765.F Z828.H.F Z964 Z879.H.F
Z772 Z878 Z965 Z886
Z778 Z888.H Z966 Z887.F
Z887.H.F Z922 Z715.1K Z715