WARNING:
Disconnect all power from the starter and
overload relay before installing, modifying, or servicing.
A VERTISSEMENT:
Couper
l' alimen tation
installation, modification, ou entretien.
avant
CAUTION:
Before installing this product in a nuclear
application, determine if it is intended for such use.
ATTENTION:
Avant d'installer le produit dans une
application nucleaire, verifier si cela est permis.
Introduction
The ABB Solid State Overload Relay is shown in Figure
1. The catalog numbers and electrical specifications
are listed in Table 1.
Replacement Installation
The following instructions describe the installation of a
Solid State Overload Relay as a replacement for an
existing overload relay on a 300-Line starter.
1.
Disconnect all sources of power to the starter.
2. Disconnect all control and power wiring from the
load side of the existing overload relay.
3.
Loosen, but do not remove, the power terminal
screws located between the top of the overload
relay and the contactor.
4.
Remove and save the overload relay mounting
screw, located at the bottom right corner of the
overload relay housing.
Catalog Number
NEMA
Current
Range,
Figure 1. Solid State Overload Relay (size 1 shown).
5. Remove the overload relay from the starter
baseplate.
6. Place the Solid State Overload Relay on the starter
baseplate and secure it with the mounting screw.
7. Torque the power terminal screws, between the
top of the Solid State Overload Relay and the
contactor, to 20 lb-in to complete the electrical
connections.
8. Connect the control and power wiring to the
terminals on the load side of the Solid State
Overload Relay, shown in Figure 2.
9.
Reconnect power sources to the starter.
10.
Fully depress the blue reset button on the Solid
State Overload Relay to insure that it is in the reset
position. The yellow trip flag will be at its right
position, as illustrated in Figure 2.
Wire Size
Max Fuse Size, Max Breaker
Use with
(75
°
C, Cu
amps ( Class T,
Ratings,
ABB
Starter Mount Panel Mount
Size
amps
only) AWG # H,J, L, R, K)
amps
Contactor
CR324CXCS CR324CXCP
0&l
.4-.85
14-8
3
15
CR324CXDS CR324CXDP
0&1
.8-1.7
14-8
6
15
CR324CXES
CR324CXEP
0&1
1.6-3.4
14-8
10
15
C:R324CXFS
CR324CXFP
0 & 1
3.2-6.8
14-8
25
25
CR324CXGS CR324CXGP
0&l
6.5-13.5
14-8
50
50
CR324CXHS CR324CXHP
0 & 1
13-27*
14-8
100
100
CR324DXGS CR324DXGP
2
6.5-13.5
18-4
50
50
CR324DXHS CR324DXHP
2
13-27
18-4
100
100
CR324DXJS
CR324DXJP
2
25-50
18-4
200
200
NOTE: Maximum fuse and breaker sizes are intended as guidelines. Refer to NEC and local codes for proper fuse and breaker selection.
*Size O not to exceed 18 amperes.
Table 1. Solid State Overload Relay, NEMA Sizes 0, 1
&
2, catalog numbers and electrical specifications.
CR306B/C
CR306B/C
CR306B/C
CR306B/C
CR306B/C
CR306B/C
CR306D
CR306D
CR306D
GEH
-
6430 User's Guide
Solid State Overload Relay
NEMA Sizes
0,
1 & 2
Summary of Contents for CR324CXCS
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