400AMP Household Circuit Breaker MCCB Dam2 for Home Protection

• Customization: Available
• Breaking Capacity: Low Voltage Circuit Breakers
• Operation: Manual Type
• Model NO.: DAM2-400
• Speed: Normal Type Circuit Breaker
• Installation: Fixed
• Structure: MCCB
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection
• Certification: ISO9001-2000, CE, CB, CCC
• Origin: China
• HS Code: 85362000
• Production Capacity: 10000PCS/Month

Product Description

DAM2-400 Circuit Breaker: Expertly Crafted for Household Electrical Safety

Introducing the DAM2-400 Circuit Breaker-an exceptional addition to our Moulded Case Circuit Breakers lineup. Developed by Shanghai DaDa Electric Co., Ltd., this breakthrough product combines cutting-edge international technology with reliable and efficient performance.

Outstanding Features:

• Compact design ensures easy and seamless installation
• High breaking capacity safeguards both circuits and power equipment
• Short arc-over distance significantly enhances safety measures
• Shakeproof design guarantees reliable and consistent operation

Versatile Application:

The DAM2-400 Circuit Breaker is engineered for both land and marine environments. With a rated insulation voltage of 800V, it's perfect for AC 50Hz/60Hz distribution networks. Offering protection against overload, short-circuit, under-voltage, and various faults, it is ideal for protecting circuits and power equipment. Additionally, it's suitable for infrequent circuit conversions and motor starts.

Comprehensive Technical Specifications:

• Rated working voltage: 690V, ensuring robust performance
• Rated current options: 225A, 250A, 315A, 350A, and 400A for various needs
• Breaking capacity: Available in L-standard, M-second high, and H-high breaking types
• Operating conditions: Designed to function in ambient air temperatures from -5ºC to +40ºC, at altitudes up to 2000m, with a pollution degree rating of 3

Accessories for Enhanced Functionality:

The DAM2-400 Circuit Breaker can be customized with various accessories, such as shunt release, under-voltage release, auxiliary contacts, alarm contacts, turning handle operation mechanisms, and power-driven operation mechanisms.

Stringent Compliance:

The DAM2-400 Circuit Breaker adheres to the IEC60947-2 standard for low-voltage switchgear and control equipment, Part 2: circuit breakers.

Model	Pole	Rated current (A)	Rated operating voltage (V)	Rated insulation voltage (V)	Rated ultimate short - circuit breaking capacity (Icu)			Flashover distance(mm)
					Test voltage (V)	Icu (kA)	Ics (kA)
DAM2L-63	3	10,16,20,25, 32,40,50,63	400	500	400×1.10	25	18	0
DAM2M-63	3,4					50	35
DAM2L-100	3,4	16,20,25,32,40, 50,63,80,100	400	800		30	22	≤50
DAM2M-100	2,3,4					50	35
DAM2H-100	3					85	50
DAM2L-100	3,4		690			10	5
DAM2M-100	2,3,4					20	10
DAM2L-225	3,4	100,125,140, 160,180,200,225	400	800		35	25
TXCM1-225	2,3,4					50	35
DAM2H-225	3					85	50
DAM2L-225	3,4		690			10	5
DAM2M-225	2,3,4					20	10
DAM2L-400	3	225,250,315, 350,400	400	800		50	35	≤100
DAM2M-400	3,4					65	42
DAM2H-400	3					100	65
DAM2L-400	3		690			15	8
DAM2M-400	3,4					20	10
DAM2L-630	3	400,500,630	400	800		50	35
DAM2M-630	3,4					65	42
DAM2H-630	3					100	65
DAM2L-630	3		6910			15	8
DAM2M-630	3,4					20	10
DAM2M-800	3	630,700,800	400	800		75	50
DAM2H-800	3					100	65
DAM2M-800	3		4690			30	15
DAM2-1250	3	800,1000,1250	400	800		85	42
DAM2-1250	3		690			25	12.5

 

Elegant Product Description: DAM2-400 Circuit Breaker for Household Electrical Needs

Discover the DAM2-400 Circuit Breaker by Shanghai DaDa Electric Co., Ltd. This premium quality circuit breaker is meticulously designed to deliver unparalleled protection for all your power distribution requirements.

Key Features:

• Available in 2-pole and 4-pole configurations to suit different applications
• Available in varying breaking capacities: L, M, and H types
• Equivalent breaking index to M-type for consistent performance
• Equipped with inverse time breaking action for superior protection
• Reliable over-current release mechanism
• Specifically designed for efficient power distribution
• Manual operation for simplicity and control
• Normal speed action for dependable performance

Detailed Specifications:

• Product Name: DAM2-400 Circuit Breaker for Household Electrical Systems
• Keywords: Circuit Breaker, Dam2, MCCB, Moulded Case Circuit Breaker, Switch, Fixed Type Circuit Breaker, Cm1, Cm1 Moulded Case Circuit Breaker
• Attributes: Low Voltage Circuit Breakers, Manual Type, Standard Circuit Breaker

Opt for the DAM2-400 Circuit Breaker for its seamless and reliable power distribution capabilities. With its inverse time breaking action and over-current release, it ensures the utmost safety for your electrical system. Available in 2-pole and 4-pole options, as well as L, M, and H types, it offers the versatility required for diverse applications. Trust in the superior quality and performance of Shanghai DaDa Electric Co., Ltd.'s circuit breakers.

No.	Test current	I/In	Set time	Initial state
1	Conventional non-tripping current	1.05	2h(In>63A),1h(In≤63A)	Cold
2	Conventional non-tripping current	1.30	2h(In>63A),1h(In≤63A)	Immediately after Test 1

 

Shanghai DaDa Electric Co., Ltd. - DAM2-400 Circuit Breaker for Household Electrical Systems

Introducing the exceptional Dam2-400 Circuit Breaker Household Electrical by Shanghai DaDa Electric Co., Ltd. This top-tier circuit breaker is meticulously crafted to deliver unwavering protection for your electrical distribution and motor systems, ensuring reliability and safety in every application.

Key Features:

• Instantaneous action characteristic setting value of 10In±20% tailored for distribution circuits, ensuring rapid and precise protection.
• Instantaneous action characteristic setting value of 12In±20% designed specifically for motor protection, providing optimal safety.
• Innovative inverse time breaking action, enhancing motor protection and reliability.

Product Details:

• Product Name: Dam2-400 Circuit Breaker Household Electrical
• Keywords: Circuit Breaker, Dam2, MCCB, Moulded Case Circuit Breaker, Switch, Fixed Type Circuit Breaker, Cm1, Cm1 Moulded Case Circuit Breaker
• Attributes: Low Voltage Circuit Breakers, Manual Type Operation, Normal Type Circuit Breaker

With its precise instantaneous action characteristic setting values, the Dam2-400 Circuit Breaker guarantees efficient and effective protection for both distribution circuits and motor systems. Its innovative inverse time breaking action feature further elevates motor protection, providing peace of mind for all your electrical applications.

Choose the Dam2-400 Circuit Breaker Household Electrical for unparalleled reliability and durable circuit protection. Secure your order today!

No.	I/In	Set time	Initial state	Remark
1	1.0	>2h	Cold
2	1.2	≤2h	Immediately after Test 1
3	1.5	≤4min	Cold	10≤n≤225
		≤8min		225 < in ≤ 630
4	7.2	4s≤T≤10s	Cold	10≤In≤225
		6s≤T≤20s		225 < in ≤ 630

Accessories

1. Internal Accessory of Circuit Breakers

1.1 Shunt Release

The shunt release, an internal accessory of circuit breakers, is expertly designed to break the circuit reliably when the rated control supply voltage is within the range of AC50Hz, 230V, 400V; DC110V, 220V, 24V.

When the rated control supply voltage of the shunt release is DC24V, it is crucial to ensure that the maximum length of the copper wire adheres to the specified requirements.

Please note that this information is specific to the Dam2-400 Circuit Breaker Household Electrical product, expertly manufactured by Shanghai DaDa Electric Co., Ltd. This product is a type of MCCB (Moulded Case Circuit Breaker) and falls under the category of fixed type circuit breakers. It operates manually and features a normal type circuit breaker action speed.

For more details about the product, please refer to the keywords: Circuit Breaker, Dam2, MCCB, Moulded Case Circuit Breaker, Switch, Fixed Type Circuit Breaker, Cm1, Cm1 Moulded Case Circuit Breaker.

[Low Voltage Circuit Breakers], [Manual Type], [Normal Type Circuit Breaker].

Rated control supply voltage Uc(DC24V)/Conductor area	1.5mm²	2.5mm²
100%Uc 85%Uc	150m 100m	250m 160m

 

Shanghai DaDa Electric Co., Ltd. proudly presents the Dam2-400 Circuit Breaker Household Electrical, a reliable and efficient solution for low voltage circuit protection. This meticulously designed molded case circuit breaker, also known as MCCB, is crafted for manual operation and offers normal speed action.

The Dam2-400 Circuit Breaker is engineered for a wide range of applications, providing dependable protection against electrical faults. Its fixed type design ensures stable and secure performance across various scenarios.

Featuring a rated operating voltage of AC230/50Hz, the Dam2-400 Circuit Breaker operates seamlessly within a range of 65% to 110% of its rated voltage. This flexibility allows for versatile usage in diverse electrical systems.

Additionally, this circuit breaker is equipped with auxiliary contacts and alarm contacts, enhancing functionality and convenience. Please refer to Table 5 for the specific rated values of these contacts.

For enhanced safety, the Dam2-400 Circuit Breaker is equipped with an advanced under-voltage release feature. When the power supply voltage falls below the rated voltage range of 70% to 35%, this release ensures dependable circuit interruption. It also prevents the circuit breaker from closing when the supply voltage is below 35% of the rated voltage. Conversely, when the supply voltage exceeds 85% of the rated voltage, the under-voltage release guarantees proper circuit breaker closure. This crucial feature is rated at AC50Hz, 230V, and 400V, ensuring consistent performance.

Moreover, the Dam2-400 Circuit Breaker incorporates a specialized pre-paid meter release. With a rated operating voltage of AC230/50Hz, it operates seamlessly within a range of 65% to 110% of its rated voltage. In the event of a control cut-off, the circuit breaker includes a delay of 0.5 to 2 seconds before activation, ensuring smooth and controlled operation.

Opt for the Dam2-400 Circuit Breaker Household Electrical from Shanghai DaDa Electric Co., Ltd. for dependable, top-tier low voltage circuit protection.

Classification	Conventional thermal current (Ith)	Rated current when   AC 400V Ie(AC-15)	Rated current when   DC 220V Ie(DC-13)
Auxiliary contact	3	0.4	0.15
Alarm contact	3	0.3	0.15

 

Product Description: Dam2-400 Circuit Breaker Household Electrical

Introducing the Dam2-400 Circuit Breaker Household Electrical by Shanghai DaDa Electric Co., Ltd. This premium circuit breaker is meticulously crafted to deliver trustworthy protection for your electrical circuits.

Features:

• Low Voltage Circuit Breakers: Perfectly suited for low voltage applications.
• Manual Type: Effortlessly control the circuit breaker by manual operation.
• Normal Type Circuit Breaker: Ensures smooth and reliable performance.

Specifications:

Product Name	Dam2-400 Circuit Breaker Household Electrical
Keywords	Circuit Breaker, Dam2, MCCB, Moulded Case Circuit Breaker, Switch, Fixed Type Circuit Breaker, Cm1, Cm1 Moulded Case Circuit Breaker
Attributes	Usage: Low Voltage Circuit Breakers Operation: Manual Type Action Speed: Normal Type Circuit Breaker

 

Don't settle for less when it comes to safeguarding your electrical circuits. Choose the Dam2-400 Circuit Breaker Household Electrical for unparalleled protection and peace of mind. Order yours now!

Category/Model	DAM2-63. 125. 250	DAM2-400. 630. 800. 1250
Structure type	Electromagnet	Motor
AC voltage code	AC50Hz,230V,400	AC50Hz,230V,400
DC voltage code	DC110V,220V	DC110V,220V

 

Product Description

Shanghai DaDa Electric Co., Ltd. - Dam2-400 Circuit Breaker Household Electrical

Presenting the Dam2-400 Circuit Breaker Household Electrical by Shanghai DaDa Electric Co., Ltd. This top-quality circuit breaker is engineered to offer reliable and efficient protection for low voltage circuits.

Key Features:

• Low Voltage Circuit Breaker
• Manual Type Operation
• Normal Type Circuit Breaker

Product Specifications:

Product Name	Keywords
Dam2-400 Circuit Breaker Household Electrical	Circuit Breaker, Dam2, MCCB, Moulded Case Circuit Breaker, Switch, Fixed Type Circuit Breaker, Cm1, Cm1 Moulded Case Circuit Breaker

 

Installation Dimensions:

Refer to Table 10 for detailed installation dimensions of the manual operating mechanism.

Handle Mounting Hole:

Consult the diagram for precise handle mounting hole specifications of the Dam2-63~800 electric operating mechanism.

Total Height:

The total height of the electric/manual operating mechanism of the circuit breaker is detailed in Table 12.

Model	Total height of electric operating mechanism H	Installation dimensions   of manual operating mechanism H
DAM2L-63	155	49
DAM2M/H-63	164	49
DAM2L-100	152	51
DAM2M/H-100	170	51
DAM2L-225	182	54
DAM2M/H-225	199	54
DAM2L/M/H-400	255	88
DAM2M/H-630	262	89
DAM2M/H-800	261	96
DAM2H-1250	290	103

 

How to Quickly Select the DAM2 Series Molded Case Circuit Breaker

Seeking a reliable and efficient circuit breaker for your household electrical needs? The DAM2-400 Circuit Breaker from Shanghai DaDa Electric Co., Ltd. is your ideal choice. This fixed-type circuit breaker offers manual operation and standard speed, making it perfect for low voltage applications. Trust the DAM2-400 for exceptional performance and peace of mind.

Corresponding letters	Function name	Function corresponding to the model
a	Model features	DAM2 Molded Case   Circuit Breaker
b	Frame rated current code	63A,100A,225A,   400A,630A,800A, 1250A
c	Breaking capacity characteristic code	L-standard breaking type;   M-second high breaking type; H-high breaking type
d	Operation mode code	No code for handle operation;   P for electric operation; Z for turning handle operation
e	Pole	2-two poles;   3-three poles; 4-four poles
f	Release name	2 Electromagnetic release;   3 Double release
g	Accessory	00 Without accessory 08 Alarm contact 10 Shunt release 20 Auxiliary contact 30 Undervoltage release 40 Shunt release, Auxiliary contact 50 Shunt release, Undervoltage release 60 Two sets of auxiliary contacts 70 Auxiliary contact, Undervoltage release 18 Shunt release, Alarm contact 28 Auxiliary contact, Alarm contact 38 Undervoltage release, Alarm contact 48 Shunt release, Auxiliary contact, Alarm contact 58 Shunt release, Undervoltage release, Alarm contact 68 Two sets of auxiliary contacts, Alarm contact 78 Auxiliary contact, Undervoltage release, Alarm contact 10Y Pre-paid meter dedicated release 40Y Pre-paid meter dedicated release, Auxiliary contact 50Y Pre-paid meter dedicated release, Auxiliary contact, Undervoltage release 18Y Pre-paid meter dedicated release, Alarm contact 48Y Pre-paid meter dedicated release, Auxiliary contact, Alarm contact 58Y Pre-paid meter dedicated release, Undervoltage release, Alarm contact
h	Application	No code for distribution;   2 for motor protection
i	Conventional products	No code;   T for transparent cover products
j	Amperage	10,16,20,25,32,63,80,100,125,160,180,200 ,225,250,315,350,400,500,630,700,800,1000 ,1250

 

Product Description: Dam2-400 Circuit Breaker Household Electrical

The Dam2-400 Circuit Breaker is a premium molded case circuit breaker tailored for household electrical applications. Crafted by Shanghai DaDa Electric Co., Ltd., this circuit breaker meets the pinnacle of safety and reliability standards.

Features:

• Manual Type Operation: The Dam2-400 Circuit Breaker can be easily operated manually or closed electrically, providing versatile usage.
• Locking Mechanism: Once the main contact is securely closed, the advanced free release mechanism locks it firmly into the closing position, ensuring a steadfast and reliable connection.
• Overcurrent Protection: Featuring an overcurrent trip coil paired with a high-performance thermal trip element, this circuit breaker delivers exceptional protection against excessive current flow.
• Under Voltage Release: The robust under voltage release coil, connected in parallel with the power supply, significantly enhances both the safety and operational performance of the circuit breaker.

Specifications:

• Product Name: Dam2-400 Circuit Breaker Household Electrical - Your Prime Choice for Home Safety
• Keywords: Circuit Breaker, Dam2, MCCB, Moulded Case Circuit Breaker, Switch, Fixed Type Circuit Breaker, Cm1, Cm1 Moulded Case Circuit Breaker
• Attributes: Low Voltage Circuit Breakers, Manual Type Operation, Standard Type Circuit Breaker

For optimal safety and compliance, always refer to the product manual or pertinent national standards when selecting, installing, and using the Dam2-400 Circuit Breaker.

Note: The N-pole type of the 4P circuit breaker is categorized into A-type and B-type. If no specification is given, it defaults to B-type.