Serviceline Industrial Sensors
Serviceline Explosion Protection
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Not available for purchase

Zener Barrier SB4420

SB4420
  • 2-channel
  • DC version, positive polarity
  • Working voltage 24 V at 2 µA
  • Series resistance max. 177.5 Ω
  • Fuse rating 32 mA
  • Terminal Base or Termination Board mounting, pluggable
  • Replaceable back-up fuse

Please note: All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

Download the complete datasheet as a PDF:


Datasheet excerpt: Technical data of  SB4420

General specifications
TypeDC version, positive polarity
Electrical specifications
Nominal resistancewithout back-up fuse 152 Ω , with back-up fuse 168.5 Ω
Series resistancewithout back-up fuse max. 157.5 Ω , with back-up fuse max. 177.5 Ω
Fuse ratinginternal fuse 32 mA , back-up fuse 32 mA
Hazardous area connection
Connectionterminals 13; 23
Safe area connection
Connectionterminals 11, 12; 21, 22
Working voltage24 V at 2 µA
Indicators/settings
Display elementsLED power supply, one green LED per channel
Conformity
Degree of protectionIEC 60529
Ambient conditions
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Storage temperature-40 ... 80 °C (-40 ... 176 °F)
Relative humidity< 75 % (annual mean)
< 95 % (30 d/year), no moisture condensation
Mechanical specifications
Degree of protectionIP20 (installed on Terminal Base or Termination Board)
Connectionwiring via Terminal Base or Termination Board
Massapprox. 70 g
Dimensions9.7 x 70.4 x 68.2 mm (0.4 x 2.8 x 2.7 inch)
Height68.2 mm
Width9.7 mm
Length70.4 mm
Construction typepluggable housing
MountingTerminal Base or Termination Board mounting on 35 mm DIN rail acc. to DIN EN 60715
Data for application in connection with hazardous areas
EU-type examination certificateTÜV 99 ATEX 1449 X , for additional certificates see www.pepperl-fuchs.com
MarkingEx-Hexagon II (1) G [Ex ia] IIC
Ex-Hexagon II (1) D [Ex iaD]
Voltage27.3 V
Current208 mA
Power1420 mW
Supply
Maximum safe voltage250 V
Directive conformity
Directive 94/9/ECEN 60079-0:2012, EN 60079-11:2012, EN 60079-26:2007
General information
Supplementary informationEC-Type Examination Certificate, Statement of Conformity, Declaration of Conformity, Attestation of Conformity and instructions have to be observed where applicable. For information see www.pepperl-fuchs.com.
Accessories
DesignationTerminal Base for 1 Zener Barrier: SB9101
Termination Board for 6 Zener Barriers: SB9106
Termination Board for 10 Zener Barriers: SB9100
grounding rail for 20 units: SB9220
grounding rail for 10 units: SB9221
grounding rail for 6 units: SB9222

Classifications

SystemClasscode
ECLASS 13.027211016
ECLASS 12.027211016
ECLASS 11.027211016
ECLASS 10.0.127219001
ECLASS 9.027219001
ECLASS 8.027219001
ECLASS 5.127210702
ETIM 9.0EC001485
ETIM 8.0EC001485
ETIM 7.0EC001485
ETIM 6.0EC001485
ETIM 5.0EC002653
UNSPSC 12.139121018

Details: SB4420

Product Documentation: SB4420

Language Selection:
Safety and Security DocumentationLanguageFile TypeFile Size
Operating instructions Zener Barriers SB-SystemENGPDF375 KB