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Technical Details
PLEASE NOTE: Type A and B (according to IEC 60755) refer to the following:

Type A refers to systems running on AC or pulsed DC power.
Type B refers to systems running on AC, pulsed DC, and/or pure/rectified DC power, such as systems running variable frequency drives.


Part Name
System Type
IEC60755 Type
Supply Voltage
Supply Freq.
Response Values
Number of Channels
Response 1
Response 2
Rated Frequency
Response Time
Resp. Delay, Prealarm
Resp. Delay, Alarm
Starting Delay
Delay on Release
Interface
Relay, Prealarm
Relay, Alarm
Displays
Power LED
Alarm LED
Display Type
Design
CTs
External / Internal
Usable CT
Connection Monitor
General Features
Buttons
Fault Memory
Memory History
Approvals
Datasheet
RCMA475LY
B
AC 90 - 132 V, 230 V; DC 9.6 - 84 V, 77 - 286 V
40 - 150 Hz
1
30 - 500 mA
50, 100% of Prewarn
0 - 700 Hz
<= 70 ms, <= 40 ms
0, 1 s
0 - 10 s
No
No
No
1 changeover contact
1 SPDT contact
Yes
Yes, flashing at Prewarn
LED graph indicator 0 - 100%
Analog
Interior, 18mm
No
No
TEST, RESET
Yes
No
UL, GOST



Ordering Information


Part Name Ordering Number Setpoint Range Supply Voltage
RCMA475LY
RCMA475LY30 mA - 500 mAAC 230 V
RCMA475LY-1330 mA - 500 mAAC 90-132 V
RCMA475LY-2130 mA - 500 mADC 10-84 V
RCMA475LY-2330 mA - 500 mADC 77-286 V



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