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Z787.H Zener PEPPERL FUCHS Isolated Barrier 2 Channel High Power Version

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Z787.H Zener PEPPERL FUCHS Isolated Barrier 2 Channel High Power Version

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Brand Name : PF

Model Number : Z787.H

Certification : ATEX

Place of Origin : Germany

MOQ : 1

Price : Negotiate

Payment Terms : T/T, Alipay, Paypal

Supply Ability : 100pcs per month

Delivery Time : stock

Packaging Details : carton

Manufacture : Pepperl+Fuchs

Model : Z787.H

Nominal resistance : 240 Ω

Series resistance : max. 250 Ω

Fuse rating : 80 mA

Mass : approx. 150 g

Ambient temperature : -20 ... 60 °C (-4 ... 140 °F)

Storage temperature : -25 ... 70 °C (-13 ... 158 °F)

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Pepperl+Fuchs Z787.H Zener Barrier 2 Channel High Power Version

Product Details:
Manufacturer : Pepperl+Fuchs
Product No. : Z787.H
Product Type : Zener Barrier

Features:

  • 2-channel
  • DC version, positive polarity
  • Working voltage 26.5 V at 10 µA
  • Series resistance max. 250 Ω
  • Fuse rating 80 mA
  • DIN rail mountable
  • High power version
  • With diode return

Function

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 normal 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.

This high power version has a smaller serial resistance and therefore provides higher voltage to the field device.

The Zener Barrier is for 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.

Depending on the application, increased or decreased intrinsic safety parameters apply for serial or parallel connection. For the detailed parameters refer to the Zener Barrier certificate. Application examples can be found in the system description of the Zener Barriers.

Technical data

1. General specifications
Type: DC version, positive polarity
2. Electrical specifications
Nominal resistance: 240 Ω
Series resistance: max. 250 Ω
Fuse rating: 80 mA
3. Hazardous area connection
Connection: terminals 1, 2; 3, 4
4. Safe area connection
Connection: terminals 5, 6; 7, 8
Working voltage
Supply loop: max. 27 V
Measurement loop: max. 26.5 V at 10 µA
5. Conformity
Degree of protection: IEC 60529
6. Ambient conditions
Ambient temperature: -20 ... 60 °C (-4 ... 140 °F)
Storage temperature: -25 ... 70 °C (-13 ... 158 °F)
Relative humidity: max. 75 % , without condensation
7. Mechanical specifications
Degree of protection: IP20
Connection: screw terminals
Core cross section: max. 2 x 2.5 ... mm2
Mass: approx. 150 g
Dimensions: 12.5 x 115 x 116 mm (0.5 x 4.5 x 4.6 inch) (W x H x D)
Height: 115 mm
Width: 12.5 mm
Depth: 116 mm
Construction type: modular terminal housing , see system description
Mounting: on 35 mm DIN mounting rail acc. to EN 60715:2001

Z787.H Zener PEPPERL FUCHS Isolated Barrier 2 Channel High Power Version

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Company Introduction:
Achievers Automation Limited has more than 10 years experience in the market of Industrial Automation, specialized in reselling factory sealed Probe, Sensor, DCS,isolator barrier, HMI, PLC,Adapter,Profibus connector and cable from Brands as BENTLY NEVADA, Endress+Hauser, YOKOGAWA,MTL,Allen-Bradley, Pepperl+Fuchs,Rosemount, ASCO, Schneider, Lenze, Pro-face, Mitsubishi, Omron, Lenze, Delta, Honeywell, Siemens and etc. If you have any request, please do not hesitate to contact us.

FAQ of Achievers
Q:Are the Products Genuine OEM Units?
A: These items have been certified by Achievers Automation Limited to be genuine OEM Units obtained through OEM or independent third-party channels.
Q:How will you arrange shipment?
A: We can arrange shipment based on your request. We have cooperated forwader who can arrange shipment via FedEx, DHL,TNT with good price.
Q:What is the warranty of goods?
A: One-year Warranty.


Product Tags:

Zener PEPPERL FUCHS Isolated Barrier

      

Z787.H PEPPERL FUCHS Isolated Barrier

      

z787 h

      
 Z787.H Zener PEPPERL FUCHS Isolated Barrier 2 Channel High Power Version Manufactures

Z787.H Zener PEPPERL FUCHS Isolated Barrier 2 Channel High Power Version Images

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