Hard-Wire AC Power Surge Protector (BPS-MSB10) Hardwired Surge Protection
- Sheet
- P
- Listing
- None published
- Origin
- Hamilton Twp, NJ
- Revised
- 2026-08-27
The BPS-MSB10 is a hardwired AC surge protective device for single and two phase applications up to 480 Vac, with 18 kA maximum discharge current, in three models by supply voltage. It has no outlets and no cord.
Specifications
| Brooks Power System Part Number | BPS-MSB10-120 | BPS-MSB10-40 | BPS-MSB10-480 |
|---|---|---|---|
| Ac Network | 120 V | 240 V, 277 V | 347V, 480 V |
| Connection Mode | 1 Phase | 1 Phase | 1 Phase |
| UL Max, Operating Voltage (MCOV) | 180Vac | 305Vac | 550Vac |
| TOV withstand (UT) | 180Vac | 305Vac | 550Vac |
| IEC/UL Nominal Discharge Current (In) 15 impulse 8/20 μs | 3KA | 3KA | 3KA |
| Max Discharge Current (Imax) 1 impulse 8/20 μs | 18KA | 18KA | 18KA |
| ANSI/IEEE C62.41-2002 20kV 1.2/50μs, 10kA 8/20μs | Yes | Yes | Yes |
| UL Voltage Protection rating (VPR) | 600 V | 1000 V | 1800 V |
| Protection level at in (Up) | 0.6kV | 0.6kV | 0.6kV |
| UL short circuit current rating (SCCR) | 25kAIC | 25kAIC | 25kAIC |
| Common to every variant | |||
| Leakage current at MCOV (IC) | <1mA | ||
| Follow Current (if) | None | ||
| AC System | Single Phase | ||
| Thermal Disconnector | UL 60691 | ||
| Over Current Protection | Time Delay – 250A Max | ||
| Dimensions | 60 x 49 x 32 ( in mm ) | ||
| Connection | by screw terminals, # 4 AWG Max | ||
| Remote Signal Indicator | 250Vac max, 2A | ||
| Mounting | Mounting Flange | ||
| Operating Temp | -50º C to + 85º C | ||
| Operating Altitude | 13,000 ft ( 4,000 m ) | ||
| Relative Humidity | 5 to 95% non-condensing, up to 100% external | ||
| Enclosure Material | Thermoplastic UL94 – 5A | ||
| Environmental Rating | IP66 | ||
| Weight | 2.8 oz | ||
Compliance and listings
Standards cited: IEC 61643 – 1 – INTERNATIONAL, EN 61643 – 11 – EUROPE, NF EN 61643 – 11 – France, UL 1449 3rd Edtion – USA, UL 1449 3rd Edtion – CANADA, CSA C22.2 No. 8 – M1986, RoHS, ANSI/IEEE C62.41-2002, UL 60691
Typical applications
The BPS-MSB10 is specified where space is limited and the device is wired in parallel at the supply. It mounts by a flange and connects through screw terminals.
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