Suntree SRF-50H Fuse Disconnector User Guide
- June 13, 2024
- suntree
Table of Contents
INSTRUCTION BOOK
SRD-50H
Fuse-disconnector
Suntree Electric Group Co., Ltd
Application
SRD-50H fuse-disconnector is suitable for short-circuit overload protection in power distribution circuit whose rated voltage does not exceed DC1500V, rated current does not exceed 50A, and rated short -circuit capacity does not exceed 20kA. Mainly used in energy storage system, solar photovoltaic collector box, as solar photovoltaic power generation devices, batteries and other semiconductor equipment short circuit and overload protection.
Model meaning
Environment condition
a). Environment temperature shall not be higher than +40,and the average
temperature within 24 hours shall not exceed 35;
b). The altitude of the installation site is less than 2000m;
c). The pollution degree is 3;
d). The installation category of the main circuit is Class II and III;
e). Install on standard guide rail, the standard guide rail should meet the
requirements of TH35-7.5 in JB6525-1992;
f).The product should be installed vertically, and there should be no
significant impact and vibration at the installation place.
Technical data
1). Basic data
Model| SRD-50H
(l n \ e-disconnector)| SRF-35H I SRF-50H
(Fuse)
---|---|---
Standard| lEC/ EN 60947-3| EN 60269-1;EN 60269-6
Rated insulation voltage(Ui)| DC1600V| /
Rated operational voltage(Ue)| DC1500V| DC1500V
Rated operational current(Ie)| 1-50A| SRF-35:1-35A
SRF-50:15-50A
Rated impulse withstand voltage(Uimp)| 8kV| /
Rated accepted dissipation power| /| SRF-35H:≤6W;
SRF-50H:≤12W
The number of poles| IP| /
Rated limited short-circuit current| 50KA| 20KA
Fuse link size| /| SRF-35H :10mm×85mm
SRF-50H :14mm×85mm
Protection class| Ip20| Ip20
Utilization category| PV-0| PV-0
2). Fuse data
Fuse link type| Rated operational
voltage(V)| Rated operational
current(A)| Overall dimension(mm)
---|---|---|---
gpv| Figure| see the attached diagram
35| DC1500V| 1-35| 1
50| DC1500V| 15-50| 2
3). Characteristic curve
a). SRF-35H Fuse
b). SRF-50H Fuse
4). Derating curve
Single-pole’s derating coeffcient
Multi-pole’s derating coefficient
Overall Dimension
Ordering information
When ordering, please specify:
Name: Fuse-disconnector;
Model: SRD-50H + SRF-35H (if no type of fuse, the is no fuse);
Specification: 25A;
And finally, please indicate the purchase quantity.
For example:
Fuse-disconnector, SRD-50H+SRF-35H, 25A, quantity:200.
For special specifications, please consult with us before ordering.
Contact us: 400-021-6828
Company Promise
If the product is damaged or cannot be used normally due to quality problems within 18 months from the date of production, the company shall be responsible for free repair or replacement. Of course it need to be under the premise that the user complies with the use and storage conditions or the seal of the product is good. If the warranty period is exceeded, it shall be repaired with compensation. However, the damage caused by the following circumstances shall be repaired with compensation even within the warranty period.
- Improper use, maintenance or storage;
- Self-modification, improper maintenance;
- After purchase due to fall and installation process damage;
- Earthquake, fire, lightning strike, abnormal voltage, secondary disasters and other force majeure
Please read the instructions carefully before installing and using the product, and keep them properly and reserve them.
Suntree Electric Group Co., Ltd
Add: Xinguang Industrial Zone Liushi Town Yueqing Zhejiang China
Tel: 0577-61788999 Fax: 0577-62890578
Global Service Hotline: 400-021-6828
Web: www.xinchi.cc
http://weixin.qq.com/r/1kgvNxfEJ0pYrVNU9x3E