Min Yue metal products Co., Ltd. was established in 2012, is a mainly in solar module connector and junction box R & D, manufacturing, sales and service in one of the enterprises.And also available in solar accessories like solar combiner box etc. Company is located in China. Website: www.wxminyue.com Email: chaya@wxminyue.com

1. FUNCTIONAL DESCRIPTION The Combiner Box (SCB) is an intelligent combiner box, in which the
separate strings of a PV system are gathered and monitored.
MECHANICAL DATA
Enclosure type:
Dimensions (H x W x D):
Weight:
Form factor:
Degree of protection:
Intended installation location:
Altitude above sea level:
Fixing accessories supplied:
Operating temperature range:
Ambient humidity:
Standards:
Carbon steel
900 mm x 500 mm x 160 mm
41 kg
Cabinet with hinged door(s)
IP65
Protected outdoors (> 5 km from sea)
max. 2000 m
Carbon steel wall mount lugs
- 40 °C … 55 °C
0 … 95 %
EN 50548:2011, EN 61000-6-2:2005, EN61000-6-4-2007, EN 50178:1997, EN 61439-1:2009,
IEC61000-4-5, ITU-TK20&K21
STRING CURRENT MEASUREMENT
Numbers of measured channels:
Current measurement range:
Input current accuracy:
Numbers of strings per channel:
16
3 up to 20 A max. 1000 V DC
± 1 % (of the full scale value)
1
ELECTRICAL DATA
Maximum off-load voltage:
Switch disconnector breaking & making
capacity (acc. To IEC 60947-3):
Surge protection device (SPD) for DC:
1000 V DC
250 A DC (@ 1000 V DC)
Type II, Imax = 40 kA, Up = 4.0 / 4.0 kV, aux. contact included
FUSES
Location of fuses
Fuse form factor:
Fuses:
Positive and negative inputs
10x38 mm
Fuse-links and fuse-disconnectors
STRING COMBINER BOX
(SCB) 16-16

2. DATA COMMUNICATION
Type:
Protocol:
Cabling:
RS-485, 2-wire
Modbus-RTU
0.22 mm² … 2.5 mm²
CONNECTION TERMINAL INPUT
Number of strings:
Cross-section of connection:
Terminal type:
16
Max. 0.75 mm² … 16 mm² on plus terminal (fuse)
Max. 0.75 mm² … 16 mm² on negative terminal (fuse)
Screw clamp – plus & minus (fuse)
CONNECTION TERMINAL OUTPUT
Number of DC outputs
(+ & - being one output)
Cross-section of connection:
1
≤ 185 mm², M10 screw connection
MECHANICAL CONNECTION
DC input strings' cross-section:
DC output main strings' cross-section:
Earth cable cross-section:
Bus (RS-485) cable outer diameter:
4 mm²
70 mm²
16 mm²
Shielded Twisted Pair 7.5 mm … 8.2 mm
ELECTRICAL DIAGRAM