ELR2 Series BXPV-ELR2 DC Isolator Switch


ELR2 Series DC Isolator Switch in plastic enclosure is applied to 1~20KW residential or commer- cial photovoltaic system, placed between photovoltaic modules and inverters. Arcing time is less than 8ms, that keeps solar system more safe. To ensure its stability and long service life, our products are made by components with optimum quality. Max voltage is up to 1200V DC. It holds a safe lead among similar products.

• IP66 rated enclosure, UV Resistant

• 4 x M20 knock holes

• The handle can be padlocked in the “OFF” position

• MC4 plugs can be selected for convenient connection and space saving

• 2 Poles, 4Poles are available (Single I Double String)

• Standard: IEC60947-3, AS60947.3

• DC-PV2, DC-PV1, DC-21B

• 16A, 25A, 32A, DC1200V



Type Standard lEC/EN 60947-3, AS60947.3









Function Isolator, Control
Poles P 4
Utilization category DC-PV2/DC-PV1/DC-21B
Rated frequency DC
Rated operational voltage(Ue) V 300, 600, 800, 1000, 1200
Rated operational current(Ie) see below table
Rated insulation voltage(Ui) V 1200
Conventional free air thermal current(Ithe) //
Conventional enclosed thermal current(Ithe) same as Ie
Rated short-time withstand current(Icw) 1kA, 1s
Rated impulsed withstand voltage(Uimp) kV 8
Overvoltage category t II
Suitability for isolation Yes
Polarity NO polarity,“+”and“-”polarities could be interchanged
Mechanical features Electrical life t 2000
Mechanical life t 18000


Ingress protection IP66
Storge temperature -40~+85
Mounting Vertically or horizontally
Pollution degree 3


Wiring Type 300V 600V 800V 1000V 1200V


BXPV-ELR2 16 16A 16A 12A 8A 6A
BXPV-ELR2 25 25A 25A 15A 9A 7A
BXPV-ELR2 32 32A 27A 17A 10A 8A


BXPV-ELR2 16 16A 16A 16A 16A 16A
BXPV-ELR2 25 25A 25A 25A 25A 25A
BXPV-ELR2 32 32A 32A 32A 32A 32A


BXPV-ELR2 16 35A 35A / / /
BXPV-ELR2 25 40A 40A / / /
BXPV-ELR2 32 45A 40A / / /



ELR2 DC Isolator Switch Dimension

17 MB

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