iv
Instruction Booklet
IB 33-790-1J
Effective November 2010
Instructions for Low Voltage Power
Circuit Breakers Types DS and DSL
EaToN CorPoraTIoN www.eaton.com
List of Illustrations
Figure
Title
Page
1
The Type DS Low Voltage Power Circuit Breaker Is Shipped Inside Its Own Compartment
7
2
Rails Are Stowed Away in the Compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7
3
Levering Device Crank Handle Installed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
4
Use of Breaker Lifting Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
5a
View Showing Controls on the Panel (Pre 1988)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
6a
Left Side of Breaker with Levering Device Arm in REMOVE Position . . . . . . . . . . . . . . . . . .
11
6b
DS 416 Breaker with Front Panel Removed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11
7
Right Side Showing Levering Device Arm in TEST Position . . . . . . . . . . . . . . . . . . . . . . . . .
11
8
Rear View Showing Levering Device Arm in CONNECT Position . . . . . . . . . . . . . . . . . . . . .
11
9
Method Used to Press Trip Plate and Lower Shutter with One Hand,
Preparatory to Inserting Crank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13
10
Front View of Mechanism (Manual Spring Charge Except for DS-632/840) . . . . . . . . . . . . .
16
11
Front View of Mechanism (Power-Operated Spring Charge) . . . . . . . . . . . . . . . . . . . . . . . . .
16
12
Rear of Power-operated Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16
13
Rear View of Mechanism (Left Close Spring Removed) . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17
14
Arrangement of the Principal Parts of a Power Operated Mechanism
The Close Spring is Shown in the Charged Position . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18
15
Front View Showing Major Parts of the Crank Shaft Assembly
Some Parts are Omitted for Clarity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19
16
Power-operated Spring-charge Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20
17
Crank Shaft Assembly of Power-operated Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21
18
Emergency Spring-charge on Power-operated Mechanism . . . . . . . . . . . . . . . . . . . . . . . . .
21
19
Standard Schematic and Connection Diagrams for Power-Operated Breakers . . . . . . . . . . .
22
20
Principal Parts in a Manually Charged Spring Operated Mechanism . . . . . . . . . . . . . . . . . .
23
21
Spring-charging Mechanism on Manual Operated Breakers . . . . . . . . . . . . . . . . . . . . . . . . .
24
22
These Sketches Show the Four Basic Positions of Breaker and Linkage
with Enlarged View of Tr ip Shaft and Latch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25
23
Shunt Trip Details Showing Tr ip Shaft Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
265
24
Actuator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
27
25
DS-632 Breaker with Front Panel Removed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
28
26a
Bottom View of Breaker Unit Showing Interference Interlock,
Motor Cut-off Switch and Other Details not Visible from Above . . . . . . . . . . . . . . . . . . .
29
26
Front View Showing Close Bar Guard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
29
26
Rear View Showing the Seismic Positioner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
29
27
Drawout Unit Position Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
28
Relation of Shutter, Tr ip Plate, and Tr ip Shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
33
29
Relation of Shutter, Interlock Cam, and Levering Device Arms . . . . . . . . . . . . . . . . . . . . . . .
34
30
Close-Release Interlock to Discharge Springs on Levering Out of Compartment and
Conn. Position No Manual Close Interlock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
35
31
Close Interlock to Prevent Efforts to Close a Breaker that Is Already Closed . . . . . . . . . . . .
36
32
Padlock Device - Locked Tr ip Free and Shutter Raised . . . . . . . . . . . . . . . . . . . . . . . . . . . .
37
33
Three-Pole Assembly of DS-206 Pole Units on Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
38
34
Three-Pole Assembly of DS-416 and DS-420 Pole Units on Frame . . . . . . . . . . . . . . . . . . .
39
35
Three-Pole Assembly of DS-632 Pole Units on Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
40
36
Three Pole Assembly of DS-840 Pole Units on Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
41
37
Type DS-206 Pole Unit Assembly - Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
42
38
Type DS-206 Pole Unit Assembly - Rear View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
43
30
5b
View Showing Controls on the Panel (Post 1988)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10
