Littelfuse A0220 User Manual
Protection Relays & Controls
ø9
ARC Detectors
A0220
Arc Detecting Point Sensor
Description
The A0220 Arc Detector is a photo electric sensor. It has a
sensitive area of 180˚. Sensor signal is a mA current signal
of 0.5 mA / klux. The sensor includes 10 m of shielded
two-wire electrical cable which can easily be shortened
or extended to a maximum of 50 m. Use Belden 85240
or equivalent cable (2x 0,50 mm
The sensor is compatible with the D0100, D0900, D0910,
D0920, D1000 and PGR-8800 Littelfuse Selco Arc
Flash Relays.
2
).
A0220 Sensor Installation
The sensors include an adhesivebacked drill template for easy surface
or panel-mount installation. All
dimensions are shown in millimetres.
Detection range for a 3kA fault
2m 2m
2m
ORDERING NUMBER
A0220.0010
Connection to D0100, D0900, D0910 and
D0920 relays:
SENSOR WIRE TERMINAL
RED 1
GREEN 2
SCREEN 3
Affix the drill template where the
sensor is to be mounted.Either M4
or M5 screws or pop rivets (4 mm
or 5 mm) can be used.
Mounting screws are M4 for the top
holes. This template matches the
mounting dimensions for the A1000
or PGA-LS10 sensor.
The bottom mounting holes are
either for 5mm self-drilling screws
(3,5mm drill) or for M5 (4,2 mm drill).
This template matches the mounting
dimensions for the A0200 and
A0300 sensors.
For placement of sensors please refer
to the relay manual.
Specifications
Sensitivity: 0,5 mA/ klux
Range for D0100, D0900,
D0910 and D0920:
Range for D1000 and
PGR-8800: 10 klux to 30 klux
Ambient temperature: -25 ˚C to +70 ˚C.
Degree of protection: IP65
Type Selection Table:
A0220 Arc Detector incl. 10m cable
2 klux to 30 klux
A0220
Drill
guide
4 x ø3.5
Connection to D1000 and PGR-8800 relays:
SENSOR
WIRE
GREEN 4
RED 3
SCREEN Chassis
© 2013 Littelfuse Protection Relays & Controls
SENSOR 1
TERMINAL
SENSOR 2
TERMINAL
8 12 16 20 24
7 11 15 19 23
Chassis Chassis Chassis Chassis Chassis
SENSOR 3
TERMINAL
SENSOR 4
TERMINAL
SENSOR 5
TERMINAL
SENSOR 6
TERMINAL
Rev: 4-A-050213© 2013 Littelfuse Protection Relays & Controls
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