Instruction Sheet 3A1521RevA Effective December 2015
Supersedes December 2010
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
YEAR
WARRANTY
Warranty
See document No. 3A1502 at
www.cooperbussmann.com/surge
for limited warranty details.
click
2
3
1
L x W x H
90 x 72 x 73mm
35mm
DIN-Rail
Indoor use only
Torque 4N•m
System installation
press
press
1
1
2
There is no required distance
from the SPD to any earthed
conductive surface.
Class II IEC 61643-11...
Type 2 EN 61643-11...
Module replacement
Green =
Good
Red =
Replace
Visual indication status
11 14 12
Green
Green =
Good
Red
Red =
Remote contact signaling
(modules installed)
Mounting
Remote contact signaling
Wiring
TN-S connection
11 14 12
Green
Remove/Test
Remote OK
Testing contact signaling
(modules removed)
IEC 61643-11 Class II, four-pole SPDs for
TN-S and TT 230/400V IEC applications
BSPM4275TNS(R), BSPH4275TT(R),
BSPH4320TT(R), BSPH4385TT(R)
Fusing
Conductors and busbars
TN-S = BPM275IEC
TT = BPSNPEIEC
BPM275IEC
Module assignments
Fusing and conductors for
BSPM4275TNS(R)
F1 A gG S2/mm2S3/mm2F2 A gG
25 4 6 —
35 4 6 —
40 4 6 —
50 6 6 —
63 10 10 —
80 10 10 —
100 16 16 —
125 16 16 —
>125 16 16 125
System type TN-S TT TT TT
Voltage UN(50/60Hz) Tol.: 0V...UC230/400V 230/400V 230/400V 230/400V
Voltage UC
[L N] 275V~ 275V~ 320V~ 385V~
[N PE] 275V~ 255V~ 255V~ 255V~
Ifi [N PE] —100Arms 100Arms 100Arms
ISCCR [L N] 50kArms 50kArms 25kArms 25kArms
IPE < 0.15mA < 5µA
Imax 40kA 40kA 40kA 40kA
Max. fuse [L PE] 125A gG ———
[L N] —125A gG 125A gG 125A gG
Types W/O remote BSPM4275TNS BSPH4275TT BSPH4320TT BSPH4385TT
W/ remote BSPM4275TNSR BSPH4275TTR BSPH4320TTR BSPH4385TTR
Replacement
modules
[L N] — BPM275IEC BPM320IEC BPM385IEC
[L PE] BPM275IEC — — —
[N PE] BPM275IEC BPSNPEIEC BPSNPEIEC BPSNPEIEC
Operating environment -40°C to +80°C / 5% to 95% RH
Ports 1
IP rating IP20 (built-in)
L x W x H 90mm L x 72mm W x 73mm H
Use busbar
BA6PBB-3P
S3
S2
Use busbar BA56PBB-3P
S3
S2
TT connection
