iALW1 series air circuit breaker applies to the AC 50Hz distribution network with a rated current of 200A to 6300A, rated insulation voltage of 1000V and rated working voltage of 400V and 690V. it is used to distribute electric energy and protect circuits and power equipment from overload, under-voltage, short circuits, single-phase grounding, and other faults. At the same time. it can also be used as a disconnector. it has a variety of protection functions and high-precision selective protection to improve the reliability of power supply.
◇According to the installation mode: a. fixed type b. draw-out type
◇According to the operation mode: a. electric operation b. manual operation (for overhaul and maintenance) According to the number of poles: a. 3P b. 4P
◇Release type a. intelligent controller type: M, 3H b. undervoltage instantaneous (or delay) operated re-ease c. shunt release.
◇Ambient air temperature: – 5°C + 40°C, and the average value in 24 hours shall not exceed + 35°C.
Note: if the upper or lower limit of ambient air temperature exceeds the specified range, the user shall negotiate with the manufacturer.
◇The altitude of the installation site shall not exceed 2000m.
◇Atmospheric conditions: when the ambient air temperature is +40°C, the atmospheric relative humidity shall not exceed 50%. At a lower temperature, it can have a higher relative humidity. The monthly average maximum relative humidity in the wettest month is 90% At the same time. the monthly average minimum temperature in that month is +25°C. the condensation on the product surface due to temperature changes should be taken into.
◇The pollution level is level 3.
◇lnstallation category: class IV for the main circuit, a coil of undervoltage release, and a primary coil of power transformer, and class ill for other auxiliary circuits and control circuits
◇lnstallation conditions: the circuit breaker shall be installed according to the installation requirements of the product manual, and the vertical inclination of the circuit breaker shall not exceed 5%.
◇Protection grade: P30. P40 (installed in cabinet chamber and equipped with door frame).
◇Usage category: class B.
| Basic information | ||||||
| Rated current of frame size | 1000 | 2000/2000H | 3200 | 4000 | 6300 | |
| Rated working current In(A) | 200/250/300/350/400/500 /630/700/800/1000 | 200/400/630/800/1000/1250 /1600/1900 2000 | 2000/2500 /2900/3150/3200 | 2000/2500/2900/3150 /3200/4000 | 4000/4900/5000/5900/6300 | |
| Number of poles | 3P/4P | 3P/4P | 3P/4P | 3P | 3P/4P | |
| Frequency(Hz) | 50 | 50 | 50 | 50 | 50 | |
| Rated working voltage Ue (V) | 400/690 | 400/690 | 400/690 | 400/690 | 400/690 | |
| Rated insulationvoltage Ui (V) | 1000 | 1000 | 1000 | 1000 | 1000 | |
| Rated impulse withstandvoltage Uimp(kV) | 12 | 12 | 12 | 12 | 12 | |
| Breaking capacity level | Blank (general) | Blank (general)H | Blank (general) | Blank (general) | Blank (general) | |
| Rated limit short circuit breaking capacity Icu(kA | AC400V | 42 | 80/90 | 100 | 100 | 120 |
| AC690V | 25 | 50/65 | 65 | 65 | 75 | |
| Rated service short-circuit breaking capacityIcs(KA) | AC400V | 30 | 50/75 | 80 | 80 | 100 |
| AC690V | 20 | 40/65 | 50 | 50 | 65 | |
| Rated short-time with stand current Icw/1s(KA) | AC400V | 30 | 50/60 | 80 | 80 | 100 |
| AC690V | 20 | 40/50 | 50 | 50 | 65 | |
| Rated short-time withstand current Icw/0.5s(KA) | AC400V | / | -/75 | / | / | / |
| AC690V | / | -/65 | / | / | / | |
| Service life | Service life | Maintenance free 15000 With maintenance 30000 | Maintenance free 15000 With maintenance 30000 | Maintenance free 10000 With maintenance 20000 | Maintenance free 10000 With maintenance 20000 | Maintenance free 5000 With maintenance 10000 |
| Electrical | Maintenance free 8000 | Maintenance free 8000 | Maintenance free 6000 | Maintenance free 6000 | Maintenance free 1500 | |
| Arc distance (mm) | 0 | 0 | 0 | 0 | 0 | |
| Installation mode | Fixed type draw-out type | Fixed type draw-out type | Fixed type draw-out type | Fixed type draw-out type | draw-out type | |
| Wiring mode | Horizontal.vertical | Horizontal.vertical | Horizontal.vertical | Horizontal | Horizontal | |
| Controller type | M/3H | M/3H | M/3H | M/3H | M/3H | |
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During the warranty period, any quality issues or manufacturing defects will be resolved through repair, replacement, or refund.
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Yes, Zhejiang Wowei Electrical Co., Ltd., is a professional manufacturer of MCCBs (Molded Case Circuit Breakers) and other related supplies with over 10 years of industry leadership, serving a local and international clientele.
Our prices vary based on the product model, specifications, and order quantity. Different quantities qualify for corresponding discounts. Kindly provide the product details you are interested in, and we will furnish a detailed quotation.
Our products conform to relevant quality and safety standards, and we can provide the necessary certificates and reports. Please specify your certificate requirements, and we will supply the relevant documents.
We accept various payment methods, including bank transfers, letters of credit, and among others. The specific payment method will be determined based on the order amount and your preferences.
We have a competitively low MOQ requirement, you can initially buy our MCCBs as low as 1 piece per order. Samples can be provided based on your product requirements.
We have an efficient production process and reliable shipping partners, allowing us to meet large order volumes promptly. We will make every effort to accommodate your delivery requirements and provide an accurate production lead time after order confirmation.
Yes, we do. Please provide your OEM requirements and technical details, and we will discuss them further with you.
We typically use standard export packaging. It can be packaging with our company logo, neutral packaging, or customized packaging based on your specific requirements.
We can select the appropriate shipping method based on your needs, including sea freight, air freight, rail transport, or express delivery. We will offer the best shipping recommendations considering factors like order urgency, shipment weight, and destination.
We use materials that meet industry standards and can accommodate specific material requests such as copper or other metal thickness requirements. Different material choices will have corresponding pricing options.
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