Electrical Circuit Breaker Made in China

• Breaking Capacity: Low Voltage Circuit Breakers
• Operation: Electric Type
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: Air
• Installation: Fixed
• Structure: MCB
• Model NO.: SRB5-63
• Poles Number: 1, 1p+N, 2, 3, 3p+N, 4
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
• Certification: VDE, ISO9001-2000, CE, CB, CCC
• Specification: Box
• Trademark: LONGROAD/OEM
• Origin: China
• Production Capacity: 20000PCS/Month

Product Description

1. MCB Description:
• High breaking capacity and current limiting characteristics;
• Can be installed on standard busbars;
• Dual-function terminals on the upper and lower sides (lift type/open type);
• It can be fixed to the busbar on the upper or lower side;
• With isolation function, it can be used as a main switch;
• Red-green color contact status indicator;
• Wiring terminal guide to prevent wrong wiring;
• 3-position guide rail clip for easy removal from the busbar;
• Complete product specifications;
• Applicable up to 48 V DC
• Rated breaking capacity 6kA in accordance with IEC/EN 60898-1

2. Electrical technical data:

Design according to	IEC/EN 60898-1
Characteristic	B, C, D
Rated voltage	AC 230 / 400V
	DC 48V Single-pole, 2 pole in series: 96VDC
Rated frequency	50/60Hz
Rated current	6,10,16,20,25,32,40,50,63A
Rated current interrupting rating	B,C,D curve----6000A
Number of poles	1,1P+N, 2, 3, 3P+N, 4
Endurance	≥ 20,000 operations
Power inlet mode	Upcoming
Allowable ambient temperature range	-40ºC~75ºC

3.Mechanical technical data:

Per pole width dimension	13mm
Installation method	IEC standard rail 35mm
Enclosure protection grade	IP20
Dual function terminals on both sides	Open type / lift type
Terminal protection	Finger and hand safe
Terminal wiring capacity	1-25 mm²
Terminal screw tightening torque	2-2.5 Nm
Busbar thickness	0.8-2 mm
Installation angle	function is independent of position