YCISC8-32 Photovoltaic DC Isolation Switch

Features

● E type external installation can reach IP66 waterproof level at any angle;
● UV resistant and V0 flame retardant material;
● Contact silver plating, silver layer thickness reaches the highest standard in the industry;
● Arc extinguishing time(3ms);
● The bottom of the external box is equipped with a breather valve;
● Nonpolarity;
● Lockable in closed position;
● 4 installation modes optional.

Selection

Note: The “Din rail installation” and “external installation” can only be with the lock.

Technical data

Model	YCISC8-32PV
Standards	IEC/EN60947-3:AS60947.3, UL508i
Use category	DC-PV1, DC-PV2
Appearance
	Din rail installation	Panel installation	Door lock installation	External
Wiring method	2,2H,4,4T,4B,4S			/,M25,2MC4,4MC4
Shell frame grade	32
Electrical performance
Rated heating current Ith(A)		32
Rated insulation voltage Ui(V DC)		1500
Rated working voltage Ue(V DC)		1000V or 1200V
Rated impulse voltage Uimp(kV)		8
Rated short-time withstand current Icw(1s)(kA)		1kA
Rated short-time making capacity(Icm)(A)		1.7kA
Rated short circuit current(Icn)		3kA
Overvoltage category		II
Polarity		No polarity, “+” and “-” polarity can be interchanged
Switch knob position		9 o’clock position off, 12 o’clock position on (or 12 o’clock position off, 3 o’clock position on)
Service life	Mechanical	10000
	Electrical	3000
Applicable environmental conditions and installation
Maximum wiring capacity (including jumper wires)
Single wire or standard(mm²)		4-16
Flexible cord(mm²)		4-10
Flexible cord (+ stranded cable end)(mm²)		4-10
Torque
Tightening torque of terminal M4 screw(Nm)		1.2-1.8
Tightening torque of upper cover mounting screw ST4.2 (304 stainless steel)(Nm)		1.5-2.0
Tightening torque of knob M3 screw(Nm)		0.5-0.7
Bottom wiring torque(Nm)		1.1-1.4
Environment
Protection degree		IP20; External type IP66
Operating temperature(℃)		-40~+85
Storage temperature(℃)		-40~+85
Pollution degree		3
Overvoltage category		III

Wiring diagram

Type	2-Pole	4-Pole	4-Pole with Input  and Output on top	4-Pole with Input   and Output bottom	4-Pole with Input on top Output bottom
YCISC8-32 DC1000/DC1200	2	4	4T	4B	4S
Contacts Wiring graph
Switching example

Overall and mounting dimensions(mm)

Power distribution module DC switch(YCISC8-32XPV)

Panel mounting

Door-lock installation DC switch

External DC switch

Current/Voltage category parameter table

The following current data IEC/EN60947-3:2009+A1+A2, AS60947.3, use category DC-PV1, DC-PV2

Data comply with AS60947-3

Type
Number of poles		4-pole
Terminal name, main circuit		1; 3; 5;7; 2; 4; 6; 8
Terminal type, main circuit		Screw terminal
Cable cross-section		4.0-16mm²
Conductor type		4-16mm (rigidity: solid or stranded)
		4-10mm Flexible
Number of wires per terminal		1
Preparation required for wire		Yes
Stripping length (mm),main circuit		8mm
Tightening torque (M4), main circuit		1.2~1.8N.m