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Installation/Wiring

2-11

POWER WIRING

Input and output power connections are performed through a

ten position terminal block, TB1 (see page 2-3 for location).

Figure 2.6 Power Terminal Block Designations (TB1)

➀ Connection for Dynamic Brake Resistors for all models except the 200-230 Volt,

0.37 to 0.75 kW (0.5 to 1 HP) drive. Important: The [DB Enable] parameter must

be enabled for proper operation.

➁ For single phase applications, the AC input line can be connected to any two of

the three input terminals R, S, T (L1, L2, L3).

➂ 1305 drives are UL and cUL listed, and CSA certified as a motor overload

protective device. An external overload relay is not required

for single motor

applications. Important: This drive is not intended for use with single phase

motors.

➃ Ground from drive to motor frame must be an independent continuous insulated

wire run.

GRD

To Motor

➃

Required

Input Fusing

+DC BRK

➀

(–DC)

AC Input Line

➁

To Motor

➂

Dynamic Brake

Option

Required Branch

Circuit Disconnect

GRD

Table 2.B Power Block Terminal (TB1)

Terminals Description

GRD Earth Ground

R, S, T (L1, L2, L3) AC Input Line Terminals

+DC, BRK (or –DC) Dynamic Brake Option - Refer to instructions in-

cluded with option

U, V, W (T1, T2, T3) Motor Connection

Table 2.C Screw Size, Wire Size and Torque Specifications

Terminal

Screw

Size

Max./Min. Wire Size

(AWG )

Maximum Torque

N-m ( lb-ins. )

TB1 (0.37-0.75kW/0.5-1HP) M4 3.5/0.75 (12/18) 0.90 (8)

TB1 (All except above) M4 4/0.75 (10/18) 1.81 (16)

TB2 (All) M3.5 1.5/0.20 (14/24) 0.90 (8)

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