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Product Description


Description 

OBRU1-25 series voltage limiting type/voltage switching type primary power surge protectors are designed according to IEC and EN 61643 standars, and applied to surge protection at the first stage of the power supply system. Products are standard 35mm rail mounting methods.
OBRU1-25 series voltage limiting type/voltage switching type primary power surge protectors with high flow capacity, single module impact current up to 50kA(10/350s),can prevent all kinds of lightning surge. Products are applies to the power supply of the equipment system in the higher risk area of lightning strike. The first surge protection can be used in single phase/three-phase power supply line.

Accessories 

Large discharge energy
No leakage
No follow current
Modular installation
High safety coeffcient
Long service life
Strong environmental resistance
Voltage protection level is less than 2500V

The scope of products 

Main power distribution panel in buildings
Overhead distribution box in buildings
Outdoor distribution cabinet/distribution box

Product capability parameter


Mode

OBRU1-15

OBRU1-25

OBRU1-50

SPD port

2 Poles

3 Poles

4 Poles

SPD category

Voltage limited type

Voltage limited type

Voltage limited type

Test category

Class I test

Class I test

Class I test

Un

220/380VAC;50/60Hz

Uc

275/385/420VAC;50/60Hz

Insulation resistance

>100MΩ

>100MΩ

>100MΩ

limep(10/350μs)

15kA

25kA

50kA

Up(1.2/50μs)

1.5kV

1.5kV

1.8kV

tA

≤100ns

≤100ns

≤100ns

Size

72×90×66

108×90×66

144×90×66

Sectional area of wires

6~25mm2

6~25mm2

6~25mm2

Installation method

35mm standard rail(EN50022/DIN46277-3)

Woeking environment temperature

-40~85℃

Sheathing material

Plastic, accord with UL94 V-0

Protection level

IP 20

Autehntication

CQC CE Type test




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