SRD-50H DC Fuse 1500V

ADVANTAGES

 

Main function

 

from Break the overload and short-circuit current generated by the current feedback, to protect solar photovoltaic device.

 

 

Application

 

Suitable for photovoltaic systems below 1500VDC.

 

 

Model and significance

 

S RD 50 H
Enterprise code DC fuse isolating switch
Design Number
Case grade rated current High voltage

 

 

Advantages and certification

 

Ventilation slot Red copper terminal block lnternational Certification
with strong heat dissipation performance thickness up to 1.0mm CE、TUV
 
PA6 flame retardant material Indicate window design  
Flame retardant rating of V-O whether the fuse core is fused model
(light on means be fused, other means normal state)
 

 

 

Specifications

 

Model CH-50H SRD-50H
DC fuse isolating switch
Reference Standard lEC/EN60947-1IEC/EN 60947-3
Rated insulation voltage 1600V
Rated operational voltage DC1500V
Rated operational current 2/3/4/5/6/8/10/12/15
16/20/25/30/32/35/40/45/50A
Rated ultimate
short circuit breaking capacity
8kV
Rated accepted
power dissipation
≤12W
Pole 1P
Rated limit short-circuit current 50kA
Products size 10mm×85mm
14mm×85mm
Protection level lP20
Use category PV-0

 

 

SRD-35/50 Derating factor

 

Pole Cabinet temperature
(reference  volume)
Derating factor
1~4 20 1
1~4 30 0.96
1~4 40 0.93
1~4 50 0.9
1~4 60 0.85
1~4 65 0.8
1~4 70 0.75
1~4 75 0.7
5~24 20 0.96
5~24 30 0.9
5~24 40 0.85
5~24 50 0.75
5~24 60 0.6
5~24 65 0.5
5~24 70 0.45
5~24 75 0.4
>5P is the data measured when 24P is powered on at the same time

 

 

lnstallation and wiring         Unit: mm

 


The normal range of ambient air humidity is not higher than +40°℃, not lower than -25℃, and the relative humidity is not higher than 95%
The altitude of the installation site does not exceed 2000 meters
Pollution level 3
In a non-explosive medium, and there is no gas and dust (including conductive dust) that can corrode metals and damage insulation in the medium


 

DC fuse link SRF35H/SRF- 50H

 

 

Model and significance

 

S RF H
Enterprise code DC fuse isolating switch
Design Number
Case grade rated current High voltage

 

 

Installation diagram

 

 

 

Dimensions      Unit: mm

 

 

 

Specifications

 

Model SRF-35H SRF-50H
Rated voltage 1500VDC 1500VDC
Rated working current 1/2/3/4/5/6/8/10/12/
15/2o/25/730/32/35A
15/20/25/30/32
35/40/45/50A
Rated accepted
power dissipation
6W 12W
Size 10mm×85mm 14mm×85mm
Rated ultimate
short circuit breaking capacity
20kA 20kA
Reference Standard EN 60269-1
EN 60269-6
EN 60269-1
EN 60269-6
Protection level IP20 lP20
Use category PV-0 PV-0

 

 

Photovoltaic fuse link curve

 

 

 

TIME CURRENT CURVE

SRF-35H(10×85)

 

 

IME CURRENTCURVE

SRF-50H(1485)

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