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The BPS-MSB10 is a general duty AC Surge Protection Device (SPD) for high risk electrical and electronic applications. The BPS-MSB10 provides protection against the direct and indirect effects of lightning and is particularly useful where space is limited.

This device is designed for single and two phase applications up to 480Vac with a surge current handling of 18kA 8/20us. The BPS-MSB10 offers, very low leakage current to ground, produces no follow on current and has a low residual clamp voltage.

The BPS-MSBS10 provides wire connection leads for parallel wiring, mounting flange to facilitate easy surface installation, high quality metal oxide varistors with integral thermal disconnection compliant to UL-60691 and real-time visual fault indication.

*Please call factory for prices*


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Brooks Power System Part NumberBPS-MSB10-120BPS-MSB10-40BPS-MSB10-480
Ac Network120 V240 V, 277 V347V, 480 V
Connection Mode1 Phase1 Phase1 Phase
UL Max, Operating Voltage
TOV withstand                           (UT)180Vac305Vac550Vac
IEC/UL Nominal Discharge Current    (In)
15 impulse 8/20 μs
Max Discharge Current                (Imax)
1 impulse 8/20 μs
ANSI/IEEE C62.41-2002 20kV 1.2/50μs, 10kA 8/20μsYesYesYes
UL Voltage Protection rating        (VPR)600 V1000 V1800 V
Protection level at in                    (Up)0.6kV0.6kV0.6kV
UL short circuit current rating      (SCCR)25kAIC25kAIC25kAIC
Leakage current at MCOV              (IC)<1mA
Follow Current                              (if)None
AC SystemSingle Phase
Thermal DisconnectorUL 60691
Over Current ProtectionTime Delay – 250A Max
Dimensions60 x 49 x 32 ( in mm )
Connectionby screw terminals, # 4 AWG Max
Remote Signal Indicator250Vac max, 2A
MountingMounting Flange
Operating Temp-50º C to + 85º C
Operating Altitude13,000 ft ( 4,000 m )
Relative Humidity5 to 95% non-condensing, up to 100% external
Enclosure MaterialThermoplastic UL94 – 5A
Environmental RatingIP66
Weight2.8 oz
Standards Compliance
IEC 61643 – 1 – INTERNATIONALClass I and II
EN 61643 – 11 – EUROPEClass I and II
NF EN 61643 – 11 – FranceClass I and II
UL 1449 3rd Edtion – USAType 4, Type 2 Location
UL 1449 3rd Edtion – CANADAType 4, Type 2 Location
CSA C22.2 No. 8 – M1986Class 9091 32, Class 9091 92
RoHSDirective 2002 / 95 / EC

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sales@brookspower.com 800-523-1551

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