P-LB-1.E.23 1-Channel Surge Protection Isolator

Product Model P-LB-1.E.23

Product Brand

Product Category Industrial safety and signal conditioning modules / surge protectors / P+F surge protectors, industrial safety and signal conditioning modules, industrial safety and signal conditioning modules / surge protectors

Application Industry Power Energy, Petroleum Chemical Industry, Process Automation

Single-channel, plugs directly into the field side of the KF module, analogue or digital signal input, surge protection capability up to 10 kA.

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Pepperl+Fuchs P-LB-1.E.23 1-channel surge protection isolator, single channel, plugs directly into the field side of the KF module, analogue or digital signal input, surge protection capability up to 10 kA, protects leads 2 and 3 of the KF module.

For lightning and switching overvoltage protection of signal lines, power lines and fieldbus lines between hazardous areas and safe areas, DIN rail or field enclosure mounting, directly connected in series in instrument loops, DCS/PLC I/O and bus trunk/spur lines.

P-LB-1.E.23 1-Channel Surge Protection Isolator Technical Data
Parameter Name Technical Specifications
General specifications
Number of protected signal lines 2
Functional safety parameters
Safety Integrity Level (SIL) SIL 3
Signal lines
Connection Terminals 2, 3
Rated Voltage Max. 30 V
Rated current Max. 250 mA
Leakage current Max. 5 µA
On-state voltage Max. 45 V
Insulation to earth Max. 500 V breakdown voltage
Conformity
Degree of protection IEC 60529:2001
Ambient Conditions
Ambient Temperature −20 … 60 °C (−4 … 140 °F)
Mechanical parameters
Degree of protection IP20
Weight Approx. 70 g
Dimensions 20 x 104 x 127 mm (0.8 x 4.1 x 5 inch) (W x H x D)
Installation Method Mounted on KF module
Hazardous area application data
EU Type Examination Certificate PTB 02 ATEX 2044
Marking II (1)G [Ex ia Ga] IIC
Voltage 30 V
Current 250 mA
Internal capacitance Negligible
Internal inductance 200 µH
Max. leakage current 10 kA (8/20 µs) per conductor
Symmetrical 1 ns
Asymmetric 100 ns
Series resistance ≤ 0.5 Ω per wire
Bandwidth ≥ 40 kHz
Certificate PF 16 CERT 3908 X
Marking II 3G Ex nA IIC T4 Gc
Directive 2014/34/EU EN 60079-0:2012+A11:2013, EN 60079-11:2012, EN 60079-15:2010
International approvals
IECEx certificate IECEx BAS 12.0123
IECEx marking [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
General information
Supplementary information Observe the certificates, declarations of conformity, instruction manuals and manuals within the applicable scope. For related information, see www.pepperl-fuchs.com.
  • Single Channel
  • Plugs directly onto the field side of the KF module
  • Analogue or digital signal input
  • Surge protection capability up to 10 kA
  • Protects leads 2 and 3 of the KF module
  • Uninterrupted operation (automatic reset)
  • Complies with IEC/EN 61508, up to SIL 3

Petrochemical Plant

Lightning and overvoltage protection for instrument signal circuits

Power Energy System

Surge protection for power and signal lines

Process Automation

Surge protection for fieldbus trunk and spur lines

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