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APPENDIX B

INTERNATIONAL ELECTROTECHNICAL COMMISSION (IEC)

COMPLIANCE

Meets IEC standards 801.2, 801.4 and 801.5 (CE Mark)

Effective January 1996 the European Economic Community will

require that all electronic devices be tested and comply with all
applicable International standards relating to the product type and
category of use.  Electromagetic Compatibility Directive 89/336/EEC
specifically addresses communication line surge protection devices,
since conformity to immunity standard EN50082-1:1992 is mandatory.
The EN50082-1:10992 standard incorporates International
Organization for Standardization (ISO) publications 801.2 and 801.4,
which describe Electrostatic Discharge and Electrical Fast Transient
requirements.  ISO 801.5 describes Surge Immunity Requirements and
is expected to be adopted as a mandatory requirement under
EN50082-1 by the Technical Committee in 1996.  Any protector sold
into the international community must meet these standards.  This
device has been tested and found to comply with these standards as
evidenced by its CE mark

Class

1

1.0 kV

24 A

2

1.0 kV

24 A

3

2.0 kV

48 A

4

(n/a)
(n/a)

5

4.0 Kv

95 A

Wave 

(1.2 x 50 μs)

Forms

(1.2 x 50 μs)

IEC 801-5 Threat Levels as a Function of Class

Sym. Lines Coupling Mode

Line-GND, Zs=42 Ohms

Figure B-1.

IEC Threat Levels as a Function of Class. 

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Patton Electronics Company

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APPENDIX A

PATTON MODEL 542/543 SPECIFICATIONS

Case:  

Molded ABS (black) plastic

Interface: 

Coaxial, with one male and one female BNC-type 
connector, for CCTV Security Systems, or one male 
and one female, or two female F-series connectors 
for SATV/CATV Security Systems.

Circuit: 

Solid state, bidirectional protection on BNC or F-
series connectors

Primary Circuit

Response Time:  

400A (8/20μs wave form )clamped to +/- 

12V after 0.2μs.

Surge Capacity:

1.5KW for 1mS 

Maximum Clamp Voltage:

12 Volts when subjected to 

6kV/3kA test transient

Secondary Circuit

Response Time:

100μs

Surge Capacity:  

20kA (8/20μs wave form)    

Bandwidth (3dB)

in 50/50 ohms Circuit: 

80 Mhz

Series Resistance: 

4.3 ohms

Capacitance:  

45pf (line-line or line-ground)

Operational/Storage

Temperature:

-55 to +100°C (-67 to 212°F)

Grounding:

External connection provides separate unit-
ground to earth-ground contact

Size:

2.0” long x 1.0” diameter

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