Surge Protection Made Simple
Hazardous Voltage
Will cause severe injury or death.
Working on or near energized circuits poses a
serious risk of electrical shock. De-energize all
circuits before installing or servicing this equipment
and follow all prescribed safety procedures.
IEC 61643-1 Type I, Two-Pole
TN & TT System Installation Instructions
BSPS2255TN(R) & BSPS2255TT(R) Technical Data
Voltage U c
255V/50Hz
I fi
50kA rms
I imp (10/350μS)
TN
25kA (L
PE), 25kA (N
TT
25kA (L
N), 50kA (N
Max. Fuse
125A gL/gG - Series connection - Figure 1
315A gL/gG - Parallel connection - Figure 2
Types:
W/O Remote
BSPS2255TN
With Remote
BSPS2255TNR
Replacement Modules
2X - BPS255IEC*
Operating Temperature
-40°C to +80°C (+60°C Series connection - Fig. 1)
IP Rating
IP20
Conductors and Busbars for Use in IEC Systems
Mounting
Phillips Head Driver
Torque to 7 N•m
System Installation
3A1514 ©2010 Cooper Bussmann St. Louis, MO 63178
Publication No. 1542/US Update 12.10 ID-No. 062576
™
Wiring
TN
Main Earthing Bar
TT
PE), 50kA (L+N
PE)
PE), 50kA (L+N
PE)
Main Earthing Bar
BSPS2255TT
BSPS2255TTR
Visual Indication Status
1X - BPS255IEC*
1X - BPS50NPEIEC**
Green = Good
Fault Indication & Remote Contact Signaling (with modules installed)
Testing Remote Contact Signaling (with modules removed)
Module Replacement
This Product Is Obsolete
No recommended replacement is available
Figure 1 - Series Connection & Fusing
*
*
TN/TT Parallel conection
*
**
Fuse sizes are suitable for
K=115 70°C or higher rated
cable
Red = Replace
Green
Green = Good
Red
Red = Replace
Remove/Test
Green
REMOTE OK
IEC APPLICATIONS
Figure 2 - Parallel Connection & Fusing
TN
*
*
Main Earthing Bar
TT
*
**
Main Earthing Bar
Fuse sizes are suitable for K=115 70°C
or higher rated cable
Warranty
See document 3A1502 at
www.cooperbussmann.com/surge
for details of limited warranty.
Mechanical Fixing
Remote Contact Signaling
2
60/75°C max. 1.5mm
/14AWG
www.cooperbussmann.com
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