YCIS8-55 XPV Photovoltaic DC Isolation Switch

Features

● Non-polarity design; ● Switch modular design, can provide 2-10 layers; ● Provide single-hole installation, panel installation, guide rail installation, door clutch or waterproof housing (dynamic sealing design and world-class sealing materials ensure IP66 protection grade); ● DC1500V insulation voltage design; ● Single-channel current 13-55A; ● Single hole installation, panel installation, power distribution module, door lock installation, external installation and other installation methods are optional; ● Provide 15 wiring schemes. *: If you order "External installation"M25 and M16 interface products, we only reserve corresponding waterproof connector holes, and do not provide PG waterproof connectors.

Selection

YCISC8	—	55	X	PV	P	2	MC4	25A
Model		Rated  current	With lock or not	Usage	Installation mode	Wiring  mothod	Joint type	Rated current
Isolation switch		55	/: No lock X: With lock	PV: Photovoltaic/ direct-current	No: Din rail installation	2/3/4/6/8/10 2H/3H/4H 4S/4B/4T 3T/6T/9T	/: No	13A, 20A, 25A, 40A, 50A (note the type when ordering)
					P: Panel installation
					D: Door lock installation
					S: Single hole installation
					E: External  installation	2\4\4B\4T\4S	/: No
							M25: PG25 Waterproof joint M16: PG16 Waterproof joint
							MC4: MC4 joint

Note: 1. The "Din rail installation" and "external installation" can only be with the lock. 2. The rated current is the category of DC-PV1, and DC1000V is the benchmark. For other scenarios, please refer to: "Current/Voltage Category Parameter Table (DC-PV1/DC-PV2)" 3. Rated current 55A, suitable for wiring mode 4B, 4T, 4S

Technical data

Model		YCIS8-55□PV
Standards		IEC/EN60947-3:AS60947.3, UL508i
Use category		DC-PV1, DC-PV2
Appearance
		Din rail installation	Panel installation	Door lock  installation	Single hole installation	External   installation
Wiring method		2/3/4/6/8/10; 2H/3H/4H; 4S/4B/4T; 3T/6T/9T				2\4\4B\4T\4S
Joint type		/				/,M25,2MC4,4MC4
Electrical performance
Rated current ln(A)		13	20	25	40	50
Rated heating current Ith(A)		32	40	55	55	55
Rated insulation voltage Ui(V DC)		1500
Rated working voltage Ue(V DC)		1500
Rated impulse voltage Uimp(kV)		8
Rated short-time withstand current Icw(1s)(A)		780
Rated short-time making capacity(Icm)(A)		1200
Rated limited short-circuit current Icc(A)		5000
Maximum fuse specification gL(gG)(A)		160
Overvoltage category		III
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)
Contact spacing (per pole)(mm)		8
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)		2.0-2.5
Tightening torque of knob M3 screw(Nm)		0.5-0.7
Switching torque		0.9-1.9
Environment
Protection  degree		IP20; External type IP66
Operating temperature(℃)		-40~+85
Storage temperature(℃)		-40~+85
Pollution degree		3
Overvoltage category		III

Maximum power loss per contact pair

Wiring method	Power loss(W)
2	≤6
4	≤12
6	≤18
8	≤24
2H	≤3
3H	≤4.5
4H	≤6

Wiring diagram

Overall and mounting dimensions(mm)

Din rail type Single hole type Single hole type Panel type Door lock type External type

Current/Voltage category parameter table

Wiring method	Working voltage Rated current	600V		800V		1000V		1200V		1500V
		PV1	PV2	PV1	PV2	PV1	PV2	PV1	PV2	PV1	PV2
2、3、4 6、8、10	13	32	13	26	13	13	6	10	4	5	3
	20	40	20	30	15	20	8	12	6	6	4
	25	55	25	45	23	25	10	15	8	8	5
	40	55	40	50	30	40	15	30	15	20	8
	50	55	50	55	40	50	18	40	18	30	10
4T、4B、4S	13	32	12	32	12	32	8	26	8	13	5
	20	40	18	40	18	40	12	30	12	20	8
	25	55	20	55	20	55	15	40	15	30	10
	40	55	40	55	40	55	32	50	32	45	20
	50	55	50	55	50	55	40	55	40	50	/

Note: 2H/3H/4H/3T/6T/9T/10P products need to be customized, if necessary, please contact us.

Derating table