Electrical Installation - Baldor 18H Series Installation & Operating Manual

Section 1
General Information

Electrical Installation

Optional Customer Supplied
Breaker or Fuse Protection -
Subject to Local Codes
MN718
Terminal connections for DB hardware is determined by 18H Control model number suffix
(E, EO, ER or MO). See Figure 3-12 for terminal identification.
Figure 3-12 DB Terminal Identification
"E" or "W" suffix
R2 B+/R1 B–
"EO" or "MO" suffix
B+ B– GND
"ER" suffix
R2 B+/R1 B–
Figure 3-13 Wiring for RGA Assembly
Control
Terminals
GND
R2
B+/R1
MOTOR
T3
T3
T2
GND
T2
T1
T1
L3
50/60 Hz
3 Phase
L2
Power
L1
GND
Note: Although not shown, metal conduit should be used to shield all power wires
and motor leads.
D1 D2 GND
GND
DB
Terminals
R2
Optional
Dynamic Brake
R1
(RGA)
See recommended Terminal Tightening Torques in Table 3-10.
Receiving & Installation 3-27