Cooper Bussmann Power Module PS User Manual

8-29-01

XXXXXX

Form No. PS

Page 1 of 5

BIF Doc# 1145

• 30-400 amp 600 Vac 3p Fused Power Switch
• 200,000 amp RMS Short-Circuit Current Rating
• Shunt trip 120V
• Control power terminal block
• Ground lug per NEC
• Class J fuse mounting only

1

• Control power transformer with fuses and blocks
• Fire safety interface relay
• Key to test switch
• Pilot light – “ON”
• Isolated neutral lug

2

• Mechanically interlocked auxiliary contact for hydraulic

elevators with battery backup (5 amp 120 Vac rated)

• Fire Alarm Voltage Monitoring Relay (To monitor Shunt Trip   

Voltage)

• NEMA 3R, 4, and 12 enclosures available

3

• Phase failure and undervoltage relay available, consult 

factory

• For added protection, use the Bussmann SAMI fuse

covers to improve maintenance personnel protection

4

(OSHA 1910.333, paragraph C)

U.L. 98 Enclosed and Dead Front Switch 

Guide 96NK3917, File E182262

NEMA 1, U.L. 50, listed enclosure
cU.L. per Canadian Standards C22.2, No. 0-M91-CAN/CSA

C22.2, No. 4-M89 Enclosed Switch

30

PS3

60

PS6

100

PS1

200

PS2

400

PS4

Option 1
Control Power Transformer 

208V

T20

(CPT) Std. 100VA with PRI & 

240V

T24

SEC Fuse (120V Secondary) 

480V

T48

600V

T60

Option 2
Fire Safety Interface

24 Vdc Coil

R2

Relay (3PDT, 10 amp, 120V)

120 Vac Coil

R1

Option 3
Key to Test Switch

120V

K

Option 4
Pilot Light – “ON”

Red

R

Green

G

White

W

Option 5
Isolated Neutral Lug

30-60A

N6

(Full Capacity)

2

100A

N1

200A

N2

400A

N4

Option 6
Mechanically interlocked auxiliary contact

1 NO & 1 NC

A

for hydraulic elevators with automatic 
recall (5 amp 120 Vac rated)

Option 7
Fire Alarm Voltage Monitoring Relay

Single-Pole

F1

(To monitor Shunt Trip Voltage)

Three-Pole

F3

Option 8
Optional Enclosure

NEMA 3R

U

NEMA 4

Y

NEMA 12

Z

Catalog No. Construction: Catalog number of PS Switch
Options as required in option order as listed above 
(i.e. option 1, 2, 3, etc.)

Example: • 100A S.T. Switch 480V-3P – PS1

• 480–120V CPT – T48
• 120 Vac Coil Fire Safety Interface Relay – R1
• Pilot Light - “ON” (Green) – G
• Mech. Interlock (1 NO & 1 NC) – A

1

Class J fuses not included.

2

Oversized 200% rated neutral option available where required by excessive 
non-linear loads.

3

Through 200A.

4

Through 100A.

5

Options 1,2,& 6 are standard for elevator circuits.