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Main Earthing Bar

Main Earthing Bar

TN

TT

*

*

*

**

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.

Voltage Uc

255V/50Hz

Ifi

50kA rms

Iimp (10/350

μ

S)

TN

25kA (L

PE), 25kA (N

PE), 50kA (L+N

PE)

TT

25kA (L

N), 50kA (N

PE), 50kA (L+N

PE)

Max. Fuse

125A gL/gG - Series connection - Figure 1
315A gL/gG - Parallel connection - Figure 2

Types:

W/O Remote

BSPS2255TN

BSPS2255TT

With Remote

BSPS2255TNR

BSPS2255TTR

Replacement Modules

2X - BPS255IEC*

1X - BPS255IEC*
1X - BPS50NPEIEC**

Operating Temperature

-40°C to +80°C (+60°C Series connection - Fig. 1)

IP Rating

IP20

Conductors and Busbars for Use in IEC Systems

Torque to 7 N•m

Module Replacement

System Installation

Phillips Head Driver

BSPS2255TN(R) & BSPS2255TT(R) Technical Data

IEC 61643-1 Type I, Two-Pole
TN & TT System Installation Instructions

3A1514 ©2010 Cooper Bussmann  St. Louis, MO 63178
Publication No. 1542/US Update 12.10 ID-No. 062576

www.cooperbussmann.com

IEC APPLICATIONS

Mounting

Red

Green

Green

Green = Good

Red = Replace

Fault Indication & Remote Contact Signaling (with modules installed)

Testing Remote Contact Signaling (with modules removed)

Visual Indication Status

Green = Good

Red = Replace

Remove/Test

REMOTE OK

Main Earthing Bar

Main Earthing Bar

TN

TT

*

*

*

**

60/75°C max. 1.5mm

2

/14AWG

Remote Contact Signaling

Mechanical Fixing

Wiring

Surge Protection Made Simple

Fuse sizes are suitable for K=115 70°C
or higher rated cable

TN/TT Parallel conection

Fuse sizes are suitable for 
K=115 70°C or higher rated 
cable

Figure 1 - Series Connection & Fusing

Figure 2 - Parallel Connection & Fusing

Warranty

See document 3A1502 at 
www.cooperbussmann.com/surge 
for details of limited warranty.

This Product Is Obsolete 

No recommended replacement is available 

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