7
Eaton MEDC technical manual
DB3BM SOUNDER TECHNICAL MANUAL
TM277.3
www.eaton.com
DC input, dual stage ve with
monitoring (standard configuration) wiring
details (Type 4)
Connect up to 4 supply wires to the terminals as detailed
in the wiring diagram. Stage 1 is produced when power
is applied across the ve and stage 1 -ve
terminals. Stage 2 is produced when power is applied
across the ve and stage 2 -ve terminals.
Monitoring functionality is obtained when the supply is
connected across M1 & M2 terminals.
ote:
N
monitored terminals are not polarity dependent
DC input, up to 3 stage with or without monitoring (alternative configuration) wiring details (Type 5)
ote:
N
This alternative configuration must be specified when ordering the unit.
This type can be connected either as a three stage common –ve configuration, or if an optional EOL is specified if
can be configured as a dual stage common –ve system with monitoring.
•
4-wire system (Triple stage, ve): Connect 4 supply wires to the terminals as detailed in the wiring diagram
(1 ve wire and 3 -ve wires). Stage 1 is produced when power is applied across the ve and stage
1 -ve terminals. Stage 2 is produced when power is applied across the ve and stage 2 -ve terminals. Stage
3 is produced when power is applied across the ve and stage 3 -ve terminals.
•
4-wire system (Dual stage, common –ve with monitoring): Connect up to 4 supply wires to the terminals as detailed
in the wiring diagram. Stage 1 is produced when power is applied across the common -ve and stage 1 +ve terminals.
Stage 2 is produced when power is applied across the common -ve and stage 2 +ve terminals.
Monitoring functionality is obtained when the supply is connected across M1 & M2 terminals.
ote:
N
monitored terminals are not polarity dependent