Breaking Capacity: | Low Voltage Circuit Breakers |
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Operation: | Manual Type |
Speed: | Normal Type Circuit Breaker |
Installation: | Fixed |
Structure: | MCCB |
Poles Number: | 3 |
Samples: |
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Customization: |
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Introducing the DAM2-400 Circuit Breaker, a new addition to our line of Moulded Case Circuit Breakers. Designed and developed by Shanghai DaDa Electric Co., Ltd., this circuit breaker incorporates international advanced technology to provide reliable and efficient performance.
The DAM2-400 Circuit Breaker is suitable for use in both land and marine applications. With a rated insulation voltage of 800V, it is ideal for AC 50Hz / 60Hz distribution networks. It offers protection against overload, short-circuit, under-voltage, and other faults, making it perfect for safeguarding circuits and power equipment. Additionally, it can be used for infrequent circuit conversions and motor starts.
The DAM2-400 Circuit Breaker can be equipped with various accessories to enhance its functionality. These include shunt release, under-voltage release, auxiliary contact, alarm contact, turning handle operation mechanism, and power-driven operation mechanism.
The DAM2-400 Circuit Breaker meets the standard IEC60947-2 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) |
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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 |
Introducing the Dam2-400 Circuit Breaker Household Electrical by Shanghai DaDa Electric Co., Ltd. This high-quality circuit breaker is designed to provide reliable protection for your power distribution needs.
Choose the Dam2-400 Circuit Breaker Household Electrical for efficient and reliable power distribution. With its inverse time breaking action and over-current release, this circuit breaker ensures the safety of your electrical system. Its 2-poles and 4-poles options, along with the L, M, and H types, provide flexibility for various applications. Trust in the 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 |
Introducing the Dam2-400 Circuit Breaker Household Electrical by Shanghai DaDa Electric Co., Ltd. This high-quality circuit breaker is designed to provide reliable protection for your electrical distribution and motor systems.
With its precise instantaneous action characteristic setting values, the Dam2-400 Circuit Breaker ensures efficient and effective protection for both distribution circuits and motor systems. Its inverse time breaking action feature further enhances motor protection, providing peace of mind for your electrical applications.
Choose the Dam2-400 Circuit Breaker Household Electrical for reliable and durable circuit protection. Order yours 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 |
Rated control supply voltage Uc(DC24V)/Conductor area |
1.5mm² | 2.5mm² |
100%Uc 85%Uc |
150m 100m |
250m 160m |
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 |
Introducing the Dam2-400 Circuit Breaker Household Electrical by Shanghai DaDa Electric Co., Ltd. This high-quality circuit breaker is designed to provide reliable protection for your electrical circuits.
Product Name | Dam2-400 Circuit Breaker Household Electrical |
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Keywords | Circuit Breaker, Dam2, MCCB, Moulded Case Circuit Breaker, Switch, Fixed Type Circuit Breaker, Cm1, Cm1 Moulded Case Circuit Breaker |
Attributes |
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Don't compromise on the safety of your electrical circuits. Choose the Dam2-400 Circuit Breaker Household Electrical for reliable protection and peace of mind. Order yours today!
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 |
Introducing the Dam2-400 Circuit Breaker Household Electrical by Shanghai DaDa Electric Co., Ltd. This high-quality circuit breaker is designed to provide reliable and efficient protection for low voltage circuits.
Product Name | Keywords |
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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 |
Refer to Table 10 for the installation dimensions of the manual operating mechanism.
See the diagram for the handle mounting hole of the Dam2-63~800 electric operating mechanism.
The total height of the electric/manual operating mechanism of the circuit breaker is specified 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 |
Looking for a reliable and efficient circuit breaker for your household electrical needs? Look no further than the DAM2-400 Circuit Breaker from Shanghai DaDa Electric Co., Ltd. This fixed type circuit breaker offers manual operation and normal speed, making it perfect for low voltage circuit breakers. Choose the DAM2-400 for superior 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 |
The Dam2-400 Circuit Breaker is a high-quality molded case circuit breaker designed for household electrical applications. Manufactured by Shanghai DaDa Electric Co., Ltd., this circuit breaker is built to meet the highest standards of safety and reliability.
When selecting, installing, and using the Dam2-400 Circuit Breaker, it is important to refer to the product manual or relevant national standards to ensure proper usage and compliance with safety regulations.
Note: The N-pole type of 4P circuit breaker is divided into A-type and B-type. If not specified, it defaults to B-type.
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