Remote Controlled Circuit Breaker (RCCB)
Engineering Data
Application Note
Distributed Load Concept
With RCCB
Without RCCB
1/2 AMP
SWITCH
SWITCH
C8
1/2 AMP
100 AMPS
RCCB
B
U
S
S
C8
L
O
A
D
100 AMPS
RELAY
B
MS22073-1/2 OR
MS26574-1/2
L
U
S
S
100 AMPS
C8
O
A
D
FLIGHT DECK
FLIGHT DECK
Typical Wiring Diagrams
Integrated Wire Termination Module
(MIL-STD-1549)
LOAD
LINE
A1
A2
LOAD
LINE
LINE
LINE
5B 6
3
4
5A
LOAD
LOAD
S3
S1 S2
Auxiliary Contacts When Applicable
Internal Connection
To Indicator/
Control Unit
3
4 5A 5B
Circuit Breaker
Type MS22073-
1/2 OR
S3 S1 S2
Auxiliary Contacts
To Indicator/
Control Unit
Backup Control Power (when used)
115 V 400 HZ or 28 Vdc
(Must be same AC Phase as the
“Line” Power)
Internal Connection
MS26574-1/2
Backup Control
Power (when
used) 28 Vdc
Circuit Breaker
Type MS22073-
1/2 OR
MS26574-1/2
Contacts and Coil
Circuits Only
Wiring for Multiple
Line Protection
6
3
5A 5B
4
Contacts and Coil
Circuits Only
S2
Auxiliary Contacts
S1
6
6
3
3
5A 5B
5A 5B
4
4
S1
A1
S2
S3
S3
A2
A1
B1
C1
A2
B2
Intermittent Duty
Coils Current
Cut-Off Controlled
Electronically
C2
Intermittent Duty
Coils Current
Cut-Off Controlled
Electronically
Single Pole
NOTE: Terminals 5A and 5B internally grounded to the mounting leg (s). Integrated Wire
Termination (IWT) module accepts pin contacts P/N M39029/1-100 or -101. Use with
insertion/extraction tool M81969/14-02.
Three Pole
EATON CORPORATION Aerospace TF300-9 January 2005
13