®
Bussmann
®
Telpower Fused Disconnect Switch
TP15900-4
DC Distribution/Protection System - Rear Access
FEATURES:
• Recognized branch circuit protection device.
• Modular design - 4 poles per module.
• Ease of installation-Connection directly to bus bar.
• Eliminates external wiring per pole.
• LED alarm signaling (LED current 30mA max.).
• Blown fuse indication.
• Alarm test probe point, to allow on-site
checking of alarm circuitry.
• Standard 0.25” QC terminal for alarm circuit connections.
• Bi-polar LED provides capability for both -48V DC
and +24V DC applications.
• Fuse presence indication.
• Fuse orientation rejection feature.
SYSTEM: TP15900-4 Fused Disconnect Switch and TPA Series Fuses
CATALOG SYMBOL: TPI5900-4
ELECTRICAL RATING: 4-poles, 40A per pole at 145V DC
50A per pole at 80V DC
APPROVALS:
• Rear accessibility for line and load terminations.
• Totally enclosed module - no moving parts.
• Material: U.L. rated 94V-0, 140˚C rated.
U.L. recognized as a disconnect switch for interruption of
load current by means of withdrawing the fuse carrier.
U.L. recognized as a component for telecommunication
power distribution equipment (U.L. category QPQY2).
U.L. recognized fuses for branch circuit protection.
C.S.A. component acceptance for the system.
FUSE TYPE:
Fuse Type
Current
TPA
3, 5, 10, 15, 20, 25, 30, 40, 50
170V DC
TPA-B
20, 25
65V DC
20 kA
Voltage
Interrupting
100 kA
UL Recognized Guide JFHR2, File E56412,
CSA Certified Class 1422-30, File 53787
mm
Inches
Dimensional Data:
BIPOLAR
LED
ALARM
CONTACT
22.35
0.880"
LOAD
CONTACT
121.41
4.780"
99.3
3.91"
77.60
3.055"
*M5 x 8
SCREW(4)
LINE
CONTACT
*M6 x 1
SCREW(2)
PRESENCE OF
FUSE WINDOW
40.06
1.577"
40.31
1.587"
FRONT
TOP
REAR
*Recommended screw size (not Included).
The only controlled copy of this BIF document is the electronic read-only version located on the Bussmann Network Drive. All other copies of this BIF document are by definition uncontrolled. This bulletin is intended to
clearly present comprehensive product data and provide technical information that will help the end user with design applications. Bussmann reserves the right, without notice, to change design or construction of any
products and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been select-
ed, it should be tested by the user in all possible applications.
Form No. TP15900-4
12-1-99
Page 1 of 3
BIF Doc #5001
SB99155
Rev. A