PV MCCB

Enquiry

Overview

The MG series DC molded case circuit breaker has a rated working voltage as high as DC1500V and a current as high as 800A. The MG series DC molded case circuit breaker has a breaking capacity of up to 50kA under a voltage of DC1500V, which can reliably achieve system short-circuit protection. The RM3 series DC high voltage molded case circuit breakers comply with the following standards IEC60947-1 and GB/T14048.1 General IEC60947-2GB/T14048.2 circuit breakers.

Product model and meaning

MG	M	3	DC	250	H.R	3	300	D	DC1500V	200A
①	②	③	④	⑤	⑥	⑦	⑧	⑨	⑩	⑪
①Enterprise code	②Molded case circuit breaker	③DesIgn Serial Number	④DC	⑤Shell level current 125,250,320,400,630,800	⑥Rated short-circuit breaking capacity level H: High breaking, R: current limiting type	⑦Number of poles	⑧Release method and accessory code	⑨External accessories D electric operation, Z manual operation	⑩Rated voltageDC250V,DC500V,DC750V,DC1000V,DC1250V,DC1500V	⑪Rated current: 63~800A

Usage environment

The installation location can reach a maximum altitude of 5500m;
Can withstand the influence of humid air (three proof type);
Can withstand the influence of salt mist and oil mist (three prevention type);
Can tolerate the influence of mold (three prevention type);
In a medium without explosion risk, and in a place where the medium is not sufficient to corrode metals and damage insulation with gases and conductive dust. Note: ① Three proof products require special customization, please indicate TH.

Technical Parameter

Model		MGM1DC-125HU		MGM1DC-320HU			MGM1DC-400HU
Number of poles		2		2		3	2			3
Rated working voltage Ue (V)		DC250	DC500	DC500	DC1000	DC1500	DC250/500	DC750/1000	DC1250/1500	DC1250/1500
Rated insulation voltage Ui (V)		DC750		DC1250		DC1500	DC1500
Rated impulse withstand voltage Uimp (kV)		8		8		12	12
Rated current In (A)		63、80、100、125		63,80,100,25,40,60,180,200,225,250,280,315,320			225、250、315、350、400
Rated ultimate short-circuit breaking capacity lcu (kA)	H Type	40	40(5ms)	50	20	20	70	40	20	20 (2-pole string) 40 (3-pole string)
	R Type	/	/	/	/	/	85	65	40	40 (2-pole string) 50 (3-pole string)
Rated short-circuit breaking capacity Ics (kA)		lcs=100%
Connection		Up in, down out/down in, up out (2P, 320/3P) Down in, down out/up in, up out (3P)
Utilization category		A
Does it have isolation function		Yes
Operating ambient temperature		-35℃~+70℃
Mechanical lifespan (times)		20000		20000			10000
Electrical lifespan (times)		5000	3000	3000	2000	1500	1000	1000	700	500
Compliant with standards		IEC/EN 60947-2 GB/T 14048.2
Annex		Shunt excitation, auxiliary, alarm, manual operation, electric operation
Authentication		CCC、CB、CE、TUV
Dimensions (length x width x height)		150x64x95		180x76x126(2P) 180x107x126(3P)			250x124x165(2P) 250x182x165(3P)

Model		MGM1DC-630HU				MGM1DC-800HU
Number of poles		2			3	2			3
Rated working voltage Ue (V)		DC250/500	DC750/1000	DC1250/1500	DC1250/1500	DC250/500	DC750/1000	DC1250/1500	DC1250/1500
Rated insulation voltage Ui (V)		DC1500				DC1500
Rated impulse withstand voltage Uimp (kV)		12				12
Rated current In (A)		500、630				700、800
Rated ultimate short-circuit breaking capacity lcu (kA)	H Type	70	40	20	20(2-pole string) 40(3-pole string)	70	40	20	20(2-pole string) 40(3-pole string)
	R Type	85	60	40	40(2-pole string) 50(3-pole string)	85	60	40	40(2-pole string） (3-pole string）
Rated short-circuit breaking capacity Ics (kA)		lcs=100%
Connection		Up in, down out/down in, up out (2P, 320/3P) Down in, down out/up in, up out (3P)
Utilization category
Does it have isolation function
Operating ambient temperature
Mechanical lifespan (times)		5000				5000
Electrical lifespan (times)		1000	1000	700	500	1000	1000	700	500
Compliant with standards		IEC/EN 60947-2 GB/T 14048.2
Annex		Shunt excitation, auxiliary, alarm, manual operation, electric operation
Authentication		CCC、CB、CE、TUV
Dimensions (length x width x height)		250x124x165(2P) 250x182x165(3P)				250x124x165(2P) 250x182x165(3P)