H2scan BSS Catalog 2025 - Flipbook - Page 17
BRO-1
BATTERY ROOM RELAY MODULE
Speci昀椀cations
General
Dimensions
125 x 62 x 120 mm (4.94 x 2.43 x 4.74 in)
Input/Output
Modbus over RS-485/ dry contact
Con昀椀guration
Supports up to four sensors in series
Programming
Factory con昀椀gured
Power Options
2-wire DC power input of 9 to 48 volts, 13 W (24 VDC or 48 VDC Power Supply is recommended)
Enclosure
NEMA 4X rated, wall mounted with 3 mm (0.11 in) hex key
Display
Power LED
Green LED indicates unit is powered
Service LED
Red LED indicates is RS 485 communications is lost between the BRO-1 unit and any sensor
Sensor 1% LEDs
Four LEDs indicates if sensors 1-4 is sensing H2 with concentration of 1%
Sensor 2% LEDs
Four LEDs indicates if sensors 1-4 is sensing H2 with concentration of 2%
Relays
Relays
4 SPDT (Form C) internal rated max 20 A at 110 VDC and 380 VDC
Alarm Thresholds
The unit has four relays: 1% H2, set-point alarm/ 2% H2 set-point/alarm, fall indicator alarm
Fail Safe Operation
In case of power failure, relay will go to alarm state
Installation
Mounting
4 mounting holes, #10 18-8 stainless steel screws included
Grounding
External grounding kit included
Moisture Abatement
Desiccant package for moisture removal inside of the BRO-1 module included
Quick Start Guide
Materials list, installation instructions, mounting template, grounding instructions, con昀椀guration instructions
Speci昀椀cations subject to change without notice
03.25 © 2022-2025 H2scan
90000266
pg.17
27215 Turnberry Lane, Unit A, Valencia, CA 91355, USA | +1 661-775-9575 | hello@h2scan.com | www.h2scan.com | 90000235
