232HSP4502-1/2
© 2002 by B&B Electronics. All rights reserved.
Model: 232HSP
RS-232 High Energy
Surge Protector CE
Overview
The Model 232HSP is designed to help protect against lightning strikes, power surges, and other types of
voltage disturbances. Pins 2 through 8 and 20 are protected on a DB-25 style connector with a final clamping voltage
of approximately 15 volts. The 232HSP offers three stages of protection starting with a gas discharge tube followed by
a series resistor and finally a Transient Voltage Suppresser (TVS). In order for a surge protector to work properly it is
important to have a good connection to earth ground. The 232HSP offers two terminal posts and two metal mounting
brackets that can also provide for a good ground connection for the user. Pin 1 of the DB-25 connectors is connected
to the metal box through the terminal posts. The 232HSP has been tested to two specifications at 6 kilovolts, IEC
1000-4-5: 1995 “Surge Immunity Test” and IEEE C62.41-1991 “IEEE Recommended Practice on Surge Voltages in
Low-Voltage AC Power Circuits”. To ensure the best protection of your equipment some simple connection guidelines
should be followed.
Connections
1. The 232HSP should be located as close as possible to the equipment being protected.
2. A good ground connection must be made between the 232HSP and earth ground. This can be done with the
two terminal posts on the top of the unit or the two mounting brackets.
3. The earth ground connection should be kept as short as possible for best performance. As a recommendation
a minimum of 10 gauge copper wire at no more than 3 feet should be used. If it is not possible to achieve the
short distance a braided cable made specifically for grounding purposes should be used.
4. The chassis ground of the equipment should be connected to the buildings 3 prong plug ground.
Specifications
Clamping Voltage, stage one:
Series Resistance, stage two:
Clamping Voltage, stage three:
Clamping Time:
Min. 72 VDC, Max.108 VDC
2.7 Ohms
Min. 14.3V, Max 15.8 V
Less than 5 x10-9 seconds
Connectors:
Line side:
DB-25P male connector
Equipment side: DB-25S female connector
Dimensions:
Weight:
Approximately 5.3L X 4.4W X 1.9H in (13.5 x 11.2 x 4.8 cm)
Approximately 11.8 Ounces (.3 kg)
DECLARATION OF CONFORMITY
Manufacturer’s Name:
B&B Electronics Manufacturing Company
Manufacturer’s Address:
P.O. Box 1040
707 Dayton Road
Ottawa, IL 61350 USA
232HSP
RS-232 High Energy Surge Protector
Light industrial ITE equipment
89/336/EEC
Model Number:
Description:
Type:
Application of Council Directive:
Standards:
EN 50082-1
EN 61000 (-4-2, -4-3, -4-4, -4-6)
William H. Franklin III, Director of Engineering
International Headquarters:
707 Dayton Road P.O. Box 1040 Ottawa, IL 61350 USA
Westlink Commercial Park Oranmore Co. Galway Ireland
+353 91 792444 Fax +353 91 792445
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