3-20 Receiving & Installation MN715
Optional Dynamic Brake Hardware
Dynamic Brake (DB) Hardware must be installed on a flat, non-flammable, vertical
surface for effective cooling and operation. Refer to MN701 (for RGA, RBA and RTA
assemblies) or MN782 (for RUA assemblies) for additional information.
Electrical Installation Terminal connections for DB hardware is determined by the Control model number suffix
(E, EO, ER or MO). See Figure 3-19 for terminal identification. Refer to Tables 3-8 and
3-9 for wire size information.
Figure 3-19 DB Terminal Identification Figure 3-20 Wiring for RGA Assembly
“E” or “W” suffix
R2 B+/R1 B-
“EO” or “MO” suffix
B+ B- GND D1 D2 GND
“ER” suffix
R2 B+/R1 B- GND
Optional Customer Supplied
Breaker or Fuse Protection -
Subject to Local Codes
MOTOR
50/60 Hz
3 Phase
Power
GND
R2
B+/R1
T3
T2
T1
L3
L2
L1
GND
GND
T1
T2
T3
Optional
Dynamic Brake
(RGA)
Control
Terminals
DB Terminals
R2
R1
(May be labeled GND or )
See recommended Terminal Tightening Torques in Section 6.
Note: Although not shown, metal
conduit should be used to shield all
power wires and motor leads.
Figure 3-21 Wiring for RBA Assembly Figure 3-22 Wiring for RTA Assembly
See recommended Terminal
Tightening Torques in Section 6.
Optional Customer Supplied
Breaker or Fuse Protection -
Subject to Local Codes
MOTOR
50/60 Hz
3 Phase
Power
GND
B-
B+
T3
T2
T1
L3
L2
L1
GND
GND
T1
T2
T3
Optional
Dynamic Brake
(RBA)
D1
D2
D1
D2
B-
B+
Shielded
Twisted Pair
Control
Terminals
DB Assembly
Terminals
(May be labeled GND or )
See recommended Terminal
Tightening Torques in Section 6.
Optional Customer Supplied
Breaker or Fuse Protection -
Subject to Local Codes
MOTOR
50/60 Hz
3 Phase
Power
GND
B-
B+
T3
T2
T1
L3
L2
L1
GND
GND
T1
T2
T3
Optional
Dynamic Brake
(RTA)
D1
D2
D1
D2
B-
B+
R2R1
R2R1
Optional
RGA
Assembly
Shielded
Twisted Pair
Control
Terminals
DB Assembly
Terminals
(May be labeled GND or )
Note: Although not shown, metal
conduit should be used to shield all
power wires and motor leads.
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