Instruction Sheet 3A1521RevAEffective December 2015Supersedes December 2010

BUSSMANNSERIES

Hazardous VoltageWill cause severe injury or death Working on or near energized circuitsposes a serious risk of electrical shock.De-energize all circuits before installingor servicing this equipment and followall prescribed safety procedures

YEARWARRANTY

Warranty

See document No. 3A1502 at www.cooperbussmann.com/surge for limited warranty details.

click

2

3

1

L x W x H90 x 72 x 73mm

35mmDIN-Rail

Indoor use only

Torque 4N•m

System installation

press

press

1

1

2

There is no required distance from the SPD to any earthedconductive surface.

Class II IEC 61643-11...Type 2 EN 61643-11...

Module replacement

Green =GoodRed =Replace

Visual indication status

11 14 12Green

Green =Good

RedRed =Replace

Remote contact signaling (modules installed)

Mounting

Remote contact signaling

Wiring

TN-S connection

11 14 12

GreenRemove/TestRemote 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 = BPM275IECTT = BPSNPEIECBPM275IEC

Module assignments

Fusing and conductors for BSPM4275 TNS(R)F1 A gG S2/mm2 S3/mm2 F2 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 TTVoltage UN (50/60Hz) Tol.: 0V...UC 230/400V 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 BSPH4385TTW/ remote BSPM4275TNSR BSPH4275TTR BSPH4320TTR BSPH4385TTR

Replacement modules

[L N] — BPM275IEC BPM320IEC BPM385IEC

[L PE] BPM275IEC — — —

[N PE] BPM275IEC BPSNPEIEC BPSNPEIEC BPSNPEIECOperating environment -40°C to +80°C / 5% to 95% RHPorts 1IP 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

Eaton1000 Eaton BoulevardCleveland, OH 44122Eaton.com

Bussmann Division114 Old State RoadEllisville, MO 63021United StatesEaton.com/bussmannseries

© 2015 EatonAll Rights ReservedPrinted in GermanyPublication No. 3A1521RevA/1770/EDecember 2015

Update 12.15Mat. Nr. 3005278

Eaton and Bussmann are valuable trademarks of Eaton in the U.S. and other countries. You are not permitted to use the Eaton trademarks without prior written consent of Eaton.

IEC 61643-11 Class II, four-pole SPDs for TN-S and TT IEC applicationsInstruction Sheet 3A1521RevA Effective December 2015