STX Series Moulded Case Circuit Breaker

STX Series Moulded Case Circuit Breaker(MCCB) is 800v ,suitable for turn-on or turn off not frequency and starting a motor not frequently in the circuit of AC 50hz,rated working voltage 690V；rated working current up to 800A is motor protection-free, The breakers have overload, short -circuit and under voltage protection devices, so as to protect the circuit and the power equipment against damage. It complys with IEC60947-2 standards.

Model:STX

Send Inquiry

Product Description

Model NO.	STX(STS3)
Arc-extinguishing Medium	Air
standard:	IEC 60947-2
Structure	MCCB
Type	Moulded case Circuit Breaker
Certification	CE
Approvals	CE,ISO9001
Delivery Time	Within 20days
Specification	63A-630A
Origin	Wenzhou Zhejiang
Production Capacity	2000pieces/Week
Speed	Normal Type Circuit Breaker
Installation	Fixed
Poles Number	3P
Function	Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection
Price	Factory Price
Warranty Time	12months
Transport Package	Inner Box/Carton
Trademark	SONTUOEC,WZSTEC,SONTUNE,IMDEC
HS Code	8536200000

Type	Rated current(A)	Pole	Rated insulation voltage(V), Ui(50Hz)	Rated operating voltage(V)	Arc distance (mm)	Ultimate short circuit			Service shortage	operate
						Breaking capacity (kA)			circuit	performance
									Breaking Capacity(kA)	(endurance)
STX	12.5-125	2.3.4	660	380	≤30	15	-	-	7.5	3000	7000
STX	12.5-125				≤30	25	-	20	16
STX	16-160				0	35	8	20	18	4000	6000
STX	16-160					50	10	40	25
STX	100-250					35	10	40	18	2000	6000
STX						50	16	40	30
STX						65	18	40	48
STX	200-400					35	16	40	18	1000	4000
STX						50	20	40	30
STX						65	25	40	48
STX	400-630					50	20	40	30	1000	4000
STX						65	25	40	48
STX						80	30	40	60
STX	500-800					50	20	40	30	1000	4000
STX						65	25	40	48
STX						80	30	40	60

Main Features

High performance: STX Series Moulded Case Circuit Breakers have excellent overload and short-circuit protection capability, which can quickly cut off faulty circuits and prevent equipment damage and fire accidents.

Compact structure: Adopting plastic shell design, the structure is compact and lightweight, which is easy to install and maintain.

A variety of accessories: Provide a variety of internal and external accessories, such as auxiliary contacts, alarm contacts, shunt disconnectors, etc., to meet the needs of different users.

High Reliability: Strict quality control and testing to ensure product reliability and stability.

Application Fields

STX series circuit breakers are widely used in many fields such as electric power, machinery, metallurgy, petrochemical, textile, construction, ship and so on. In the electric power system, it is used as the main electrical protection equipment to protect the safe operation of circuits and equipments.

Selection and Installation.

Selection: When selecting the type, factors such as rated current, rated voltage, breaking capacity and protection characteristics of the circuit breaker need to be considered. These parameters should be selected according to the actual needs of the circuit to ensure that the performance and function of the circuit breaker meet the requirements.

Installation: When installing, it is necessary to follow the relevant electrical installation codes and standards. Ensure that the installation position of the circuit breaker is in accordance with the regulations and is convenient for operation and maintenance. At the same time, it is necessary to ensure that the wiring of the circuit breaker is correct and error-free to avoid loose wiring leading to failure.

STX Series Moulded Case Circuit Breaker