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Zener Barrier
Prominent & Leading Wholesale Trader from Navi Mumbai, we offer zener barrier.
Zener Barrier
Product Price: Rs 1,450 / PieceGet Best Price
Product Brochure
Product Details:
| Ip Rating | IP20 |
| Brand | Cortex |
| Usage/Application | The Zener Barrier prevents the transfer of unacceptably high energy from the safe area into the haza |
| Model Name/Number | CT-ZB24 |
| Approval | CE Approved |
| Country of Origin | Made in India |
GENERAL SPECIFICATIONS Type DC version, positive polarity ELECTRICAL SPECIFICATIONS Nominal resistance 300 Ω Series resistance Terminals max. 327 Ω Fuse rating 50 mA HAZARDOUS AREA CONNECTION Connection terminals 1, 2 & 3 SAFE AREA CONNECTION Connection terminals 4, 5 & 6 Working voltage Max. 28 V, 26.5 V at 10 μA AMBIENT CONDITIONS Ambient temperature -20 ... 60 °C (-4 ... 140 °F) Storage temperature -25 ... 70 °C (-13 ... 158 °F) Relative humidity Max. 75 %, without moisture condensation MECHANICAL SPECIFICATIONS Degree of protection IP20 Connection screw terminals Max. core cross-section 2 x 2.5 mm2 Mass approx. 150 g Construction-type modular terminal housing, see system description Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001 CE Approved
FEATURE
• Limit Current
• Limit Voltage
• Limit Stored Electrical Energy
• Protect Device
• DC version, positive polarity
• DIN rail mounting
• With diode return
Hazards Area Side Maximum Voltage 28V DC Maximum Current 50mA Safe Area Side Maximum Normal Voltage 30V Normal Current 2mA Alarm Current 10mA Maximum Fault Voltage 230V Maximum Fault Current 50mA
DESCRIPTION The Zener Barrier prevents the transfer of unacceptably high energy from the safe area into the hazardous area. The Zener diodes in the Zener Barrier are connected in the reverse direction. The breakdown voltage of the diodes is not exceeded in regular operation. If this voltage is exceeded, due to a fault in the safe area, the diodes start to conduct, causing the fuse to blow. The Zener Barrier has a positive polarity, i. e. the anodes of the Zener diodes are grounded. The Zener Barrier is for the evaluation of signals from the hazardous area. The diodes of diode return prevent a current into the hazardous area; therefore the current assumption for intrinsic safety calculations is zero.
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