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DynAmp BRP

DynAmp BRP

The new, BRP rectifier protection system is a specialized modular system designed to sense reverse and over current events on high current DC bus bars. This next generation system is Dynamp’s next-generation technology developed to replace the older BCMR systems. BRP utilizes a pair of sensors, mounted on opposite sides of the DC bus bar. These advanced sensors incorporate 30 years of experience and new proprietary magnetic shielding technology to dramatically improve signal to noise ratios and practically eliminate chances of false alarms.


Key Features

Minimizes impact of external magnetic fields to reduce false alarms.

Dramatically improves signal to noise ratio for high dependability.

Simplifies installation and allows application to a wide variety of bus bar sizes.

24V logic reverse alarm output

Latching reverse alarm output with LED indication and manual reset button

Two user adjustable over current alarms with dry contact relay outputs

Power relay for direct activation of protection equipment

Dramatically simplified as compared to BCMR

 

BRP Versions

BRP: Sensor pair with 24V signal output including 30m signal cable and connector

BRP L: Sensor Pair + Latching function Module. Adds output signal latching and LED indication to the reverse current detection function. This ensures that users are able to identify which specific rectifier caused the reverse current trip, which must be manually reset before continuing. DIN rail mount.

BRP PE: Sensor Pair + Latching & Over Current Module. In addition to BRP L latching functions, each with their own dry contact relay output. DIN rail mount.

 

Optional Power Relay

Special high-power, electro-mechanical relay to provide reliable switching of higher power loads, particularly those controlled by 120VDC. This optional relay can be directly driven by the BRP reverse current signal in all versions as well as the lighter duty over current relays in the BRP PE version. DIN rail mount.

Optional Universal Power Supply

Provides the main 24V DC power required by all BRP systems in applications where 24V DC is not already available.

 

Optional IP67 Enclosure

For protecting BRP Modules , Power Relays and Universal Power Supply when installed in demanding environmental conditions

 

Specifications

 

BRP: Basic Rectifier Protection

Trip point -7.5kA ±2.5kA

Response time < 1mS

Signal Output Fail-safe Logic +24VDC 100mA max.

drops to 0 VDC upon reverse alarm

returns to +24VDC 200mS after

reverse current event ends

Mains Power 22…26Vdc, 25mA, <1.0W nominal

Protection Output : over-current, short circuit

Power Input : reverse polarity,

over-voltage, ESD

Isolation 5kV bus bar to output

Protection Class IP67

Operating Temp. -20º to +95ºC ( -4ºF to 203ºF)

Storage Temp. -40º to +95ºC (-40ºF to 203ºF)

( higher temp. operation possible

via ‘stand-off’ sensor pair mounting)

Humidity 0-95% non-condensing (max)

Input / Output M12 Receptacle on Master Sensor

Interconnect Cable Right angle M12 plug (one end)

un-terminated (other end)

18AWG, foil shield, FEP Jacket,

30m (98.4 ft)

Sensor Size 140mm x 82mm x 53mm x 2 sensors

(5.5”H x 3.2”W x 2.1”D )

Weight 2.3kg (5 lbs) total ( sensor pair )

Sensor Mounting Screw mount directly to bus

 

BRP L : Basic Rectifier Protection

with Latching Reverse Current Alarm Module

Adds the following features and specifications to

Basic Rectifier Protection Sensor Set

Signal Output LED indication and reverse alarm

Manual push button required

to clear LED and alarm signal

Mains Power 22…26Vdc, 25mA, (excluding load) <1.0W ( same as Sensor Set )

Signal Input Interconnect cable from Sensor Set to

screw terminals on module

Signal Output Via screw terminals on module

Environmental IP21

Module Size 42 x 99 x 115mm

Mounting Standard DIN rail

 

BRP PE : Basic Rectifier Protection

With Latching Reverse Current Alarm Module and

and 2 Adjustable Over Current Alarms

Adds the following features and specifications to

Basic Rectifier Protection Sensor Set with

Reverse Current Alarm Latching Module

2 Over Current Alarms Adjustable from 10kA to 120kA

Alarm Contacts SPDT 250VAC / 30VDC 3A

Signal Input Interconnect cable from Sensor

Set to screw terminals on module

Signal Output Via screw terminals on module

Environmental IP21

Module Size 42 x 99 x 115mm

Mounting Standard DIN rail

 

Option Specifications

 

Optional Power Relay for Reverse or Over Current Alarms

(specially designed for reliable operation with higher power AC and DC loads )

Response time : <1mS

Power handling : 2A at up to 150VDC / 300VAC

Environmental : IP21

Relay Size 44 x 44 x 77mm high including socket

Optional Universal Power Supply

( provides 24VDC to BRP if not available on-site )

Input : 90…350 VDC and 85…264 VAC 47…440Hz

Output : 24VDC

Environmental : IP21

Module Size 23 x 99 x 115mm

Optional IP 67 Enclosure

( improves IP rating of IP21 rated components )

Size 254mm H x 175mm W x 112mm D

Environmental IP21

Mounting Screw mount directly to wall or panel


Required Ordering Information

Select BRP system version : 1, 2 or 3

1) Basic Rectifier Protection

BRP Specify Item 44304

2) Basic Rectifier Protection with

Latching Reverse Current Alarm Module

BRP L Specify Item 44305

3) Basic Rectifier Protection with

Latching Reverse Current Alarm Module

and 2 Adjustable Over Current Alarms

BRP PE Specify Item 44516

Add Desired Options

Optional Power Relay

( one per alarm output as desired )

Specify Item 44306

Optional Universal Power Supply :

Specify Item 44307

Optional IP 67 Enclosure for Optional Modules, Relays

and Universal Power Supply

Specify Item 44540

Complete BRP Worksheet BEN082