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 S
howing 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