GTW1 Air Circuit Breaker

Overview 

The GTW1 Air Circuit Breaker is designed to enhance the safety and reliability of electrical systems. It is commonly utilized in industrial, commercial, and public infrastructure settings, effectively mitigating the risks associated with electrical faults. Its compact design and robust capabilities align with international standards, making it suitable for a variety of challenging electrical environments.

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Product Features

High Current Capacity

• Available in various rated current options, with a maximum capacity of up to 6300A, accommodating diverse load requirements.

Comprehensive Protection

• Offers multiple protection features, including overload, short-circuit, and leakage protection, ensuring safety for both equipment and personnel.

Intelligent Monitoring System

• Equipped with advanced monitoring modules that continuously track electrical parameters, featuring fault alarms and remote control capabilities for improved management.

Rapid Tripping Technology

• Utilizes efficient electromagnetic and thermal protection technologies to quickly disconnect circuits, minimizing damage from electrical faults.

Modular Design

• Supports flexible configurations based on user needs, facilitating easy expansion and maintenance for various applications.

Durability and Reliability

• Constructed with high-quality materials and advanced manufacturing processes, offering excellent resistance to environmental stresses.

Flexible Installation Options

• Can be installed in various settings, such as distribution cabinets or enclosures, adapting to different spatial layouts and simplifying maintenance.

International Compliance

• Meets multiple international standards, ensuring product quality and safety, providing users with reliable assurance.

Energy-Efficient Design

• Designed to reduce energy consumption, aligning with current trends in energy conservation and sustainability.

Technical parameters of the main equipment

Rated Circuit Breaker Ampere Meter, As Shown In Table.

Shell grade rated current InmA	Rated current InA
2000	630/800/1000/1250/1600/2000
3200	2000/2500/2900/ 3200
4000	3200/3600/4000
6300	4000/5000/6300

Breakers Of Rated Short Circuit Breaking Capacity And Short-Time Withstand Current, Circuit Breakers Arcing. Distance As "Zero" (That Is, Outside The Circuit Breaker No Flying No Arc), As Shown In Table.

Shell Grade Rated Current Inm A		2000	3200	4000	6300
Rated limited short-circuit breaking capacity Icu O-CO (KA)	400V	80	100	100	120
	690V	50	65	65	85
Rated short-circuit making capacity(KA) NX Icu/cosO	400V	176/0.2	220/0.2	220/0.2	264/0.2
	690V	105/0.25	143/0.2	143/0.2	187/0.2
Rated short circuit breaking capacity Ics O-CO-CO (KA)	400V	50	65	65	100
	690V	40	65	65	75
Rated short-time withstand current lewv 1S delay 0.4s,O-CO (KA)	400V	50	65	65/80(MCR)	85/100(MCR)
	690V	40	50	50/65(MCR)	65/75(MCR)
Note: the line breaking capacity in the same.

Circuit Breaker The Maximum Dissipation Power Is 360W. Circuit Breaker Rated Continuous Current In Different Ambient Temperatures, As Shown In Table.

Ambient temperature GTW1	630A	800A	1000A	1250A	1600A	2000A
40	630A	800A	1000A	1250A	1600A	2000A
50	630A	800A	1000A	1250A	1550A	1900A
60	630A	800A	1000A	1250A	1550A	1800A
Note: 2500A and above capacity-reducing factor of 0.9, 6300A 4000A did not fall in.

Had Intelligent Current Controller And Protective Function Of Overcurrent Protection Characteristics

Ir Setting Of Controllers (I/In) And The Error, As Shown In Table.

Long time delay	Short delay		Instantaneous		Ground fault
Ir1	Ir2	Errors	Ir3	Errors	Ir4		Errors
(0.4-1)In	(0.4-15)In	±10%	In-50KA(Inm=2000A) In-75K(Inm=3200-4000A) In-100KA(Inm=6300A)	±150%	Inm=2000-4000A(0.2-0.8) In max 1200A	Inm=6300(0.2~1.0)In	±10%
Note: when both (required) three protection, the setting value cannot be crossed.

Delay Inverse-Time Overcurrent Protection Characteristics I2Ti= (1.5Iri "U (1.05-0.2) Ir 1 Time Is Shown In Table , A Time Error Of ± 15%Note: Tl-Long Time 1.5Irl The Whole Time, Tl Long Delay Time, As Shown In Table.

1.05Irl	1.3Irl	Setting time of 1.5Irl s	15	30	60	120	240	480
>2H doesn't work	<1H doesn't work	2.0Irl time s	84	16.9	33.7	67.5	135	270

Short Delay Time Overcurrent Protection Characteristicsshort-Delay Over-Current Protection For Setting Time Limits, If Low Expansion For Inverse Time-Time, Its Characteristic: I2Ts = (8Lr) 2Ts,Ts, Designed For General Delay Time When Vhf >8Lrl, Automatically Convert Time Characteristic, Time Characteristic As Shown In Table.

Time Error Is ± 15%

Delay times				Returns the times
0.1	0.2	0.3	0.4	0.06	0.14	0.23	0.35

The Outline And Installation Dimensions

Mounting dimensions fixed circuit breaker, dimensions (GTW1-2000/3, 2000/4)

Installation dimensions fixed circuit breaker, dimensions (GTW1-3200/3, 3200/4)

Installation drawer sizes and dimensions (GTW1-2000/3, 2000/4)

Installation drawer sizes and dimensions (GTW1-3200/3, 3200/4)

Drawer type circuit breaker mounting sizes and dimensions (GTW1-4000)

Drawer circuit breaker Installation dimensions and Overall dimensions(GTW1-4000/4)

Drawer circuit breaker Installation dimensions and Overall dimensions(GTW1-6300, 6300/4 In: 4000, 5000)

Drawer circuit breaker Installation dimensions and Overall dimensions(GTW1-6300 In: 6300)

Panel bulkhead mounting dimensions figure

I nm	a nm	b mm	c mm
2000 Series	306	172.5	345
3200 Series	366	202.5	405
6300 Series

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