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Due to RMS continuous product improvement policy this information is subject to change without notice. 1S20/Issue R/28/02/2010 - 11/11
CONFIGURATION CODE
(Optional
specification)
The configuration code can be set in the field by withdrawing the
relay module & following the instructions on the side plate label.
The configuration code may be specified at time of order so that
the relay will be shipped from the factory pre-set to meet
customer requirements. e.g. CONFIG-01011
If a configuration code is not specified the factory default will be
set as indicated below. i.e. CONFIG-11111
Configuration
Switches
Specify factory
Configuration
1
2
3
4
5
CONFIG
-
1
ARC SENSOR 2
1
ON Arc sensor 2 fitted
(Default)
0
OFF Arc sensor 2 not fitted
2
ARC FAULT TRIP INDICATION RESET
1
ON Latched until manually reset
(Default)
0
OFF Auto reset after 4 hours
3
INDEPENDENT ARC TRIP OUTPUTS
1
ON Arc sensor 1 operates trip output 1
Arc sensor 2 operates trip output 2
(Default)
0
OFF Arc Sensor 1 or 2 operate both trip outputs
4
TRIP OUTPUT CONTACT RESET
1
ON Latching – Resets with trip LED
(Default)
0
OFF Self reset after 2s
5
ARC SENSOR 3
1
ON Arc sensor 3 fitted
(Default)
0
OFF Arc sensor 3 not fitted
Ordering Information
Generate the required ordering code as follows: e.g. 1S20-CAB
1
2
3
1S20
Arc Fault Monitor Relay
1
AUXILIARY SUPPLY RANGE
A 20 - 60V DC
C
36 - 150V DC
2
MOUNTING
A Panel mount or surface mount *
B
Surface mount only *
3
SENSORS
A Two arc sensor inputs
(Default)
B
Three arc sensor inputs
Note: * Where DIN rail mounting is required specify DIN Rail
Mounting Kit P/N 290407157
PS5R POWER SUPPLY MODULE
Use the PS5R-A24 DIN rail mount module to power a single 1S20
from an 85-164V AC auxiliary source.
1S30 ARC FAULT SENSOR
Refer to the 1S30 Technical Bulletin for ordering information on the
Arc Sensor.
