Product Description

In the field of electrical protection devices, the adjustable molded case circuit breaker (MCCB) is a high-performance solution tailored for industrial and commercial applications. This innovative device is designed to provide powerful overload and short-circuit protection, ensuring the safety and reliability of electrical systems. The adjustable molded case circuit breaker adopts advanced plastic casing, which not only has excellent insulation but also excellent corrosion resistance, suitable for operation in harsh environments.

A key feature of adjustable MCCBs is their customizable overload and short-circuit protection settings. This flexibility allows users to adjust settings to specific load requirements, thereby optimizing the performance of their electrical systems. By adapting to varying load conditions, MCCBs ensure that equipment operates safely and efficiently, minimizing the risk of damage from electrical faults. This adaptability is particularly beneficial in environments where load conditions may fluctuate, such as manufacturing facilities or commercial buildings with varying power demands.

The construction of the adjustable molded case circuit breaker is another aspect that enhances its appeal. The use of advanced plastic materials not only contributes to its lightweight design but also ensures durability and longevity. The excellent insulation properties of the housing prevent current leakage, while the corrosion resistance enables the device to withstand harsh chemicals and environmental conditions. This makes the MCCB an indispensable component in modern electrical systems, where reliability and performance are of paramount importance.

In addition to its technical features, the Adjustable Molded Case Circuit Breaker is designed with user-friendliness in mind. Adjustable settings can be easily modified, allowing technicians to tailor the device to the specific requirements of their electrical system. This ease of use is critical in industrial and commercial settings, where time is often of the essence and quick adjustments can avoid costly downtime. In addition, the MCCB is designed for straightforward installation and maintenance, ensuring it can be seamlessly integrated into existing electrical infrastructure.

The versatility of the adjustable molded case circuit breaker is not limited to industrial applications; it is also widely used in commercial and domestic buildings. As electrical systems become more complex, the need for reliable protection devices increases. The ability of MCCBs to adapt to various load conditions and their rugged construction make them ideal for protecting electrical systems in different environments. Whether in a manufacturing plant, a shopping mall or a residential complex, adjustable molded case circuit breakers play a key role in ensuring the safety and efficiency of electrical operations.

The SPX SM30-800 Series Of Moulded Case Circuit Breaker MCCB Parameter

Frame(A)				SM30-800 -CEP	SM30-800 -SEP	SM30-800 -HEP	SM30-800 -REP	Operating characteristics
Rated current In(A)				400~800 adjustable
Number of poles				3
Rated insulation voltage U1(V)			AC	600	690	690	690
Rated breaking capacity (KA)	IEC 60947-2  (lcu/lcs)	AC	690V	-	10/10	15/15	20/15
			500V	18/9	30/30	50/50	70/35
			440V	36/18	42/42	65/65	125/63
			400V	36/18	45/45	70/70	125/63
			230V	50/25	85/85	100/100	150/75
		DC	250V	-	-	-	-
Profile picture
			a	275
			b	210
			c	150
Mounting picture
			d	243
			e	70
			f	8
Machine life				4000
Electrical life				1500
Electrical-operation device(MD)				●
Extemal rotary handle				●
Automatic tripping device				Thermal-magnetic