กล่องกระจาย Chint PZ30-15

กล่องกระจาย Chint PZ30-15 is a low-voltage power distribution equipment suitable for residences and small commercial places.

1. Core Parameters and Functions
2. Circuit Design: Supports 15 วงจร, adopts a single-row structure design, and can flexibly configure electrical components such as circuit breakers and residual current protectors, meeting the multi-circuit control needs of families or small office places.
3. Electrical Specifications:

– แรงดันไฟฟ้าที่ได้รับการจัดอันดับ: 230V/400V AC, suitable for single-phase or three-phase power supply systems.

– จัดอันดับปัจจุบัน: The main incoming switch supports a maximum of 100A, and the internal circuit breakers of each circuit are usually of C16-C32A specifications, which can be selected according to load requirements.

– Short-circuit breaking capacity: 6ที่, which can quickly cut off short-circuit current and protect circuit safety.

3. ระดับการป้องกัน: IP42 (surface-mounted) or IP30 (flush-mounted), which can prevent the intrusion of solid foreign objects larger than 1mm and prevent splashing water to a certain extent.
4. Material and Dimensions:

– The box body is made of 0.8-1.2mm cold-rolled steel plate, with surface electrostatic spraying treatment, which is corrosion-resistant and has high strength.

– Flush-mounted box dimensions: 240×360×90mm (height × width × depth), surface-mounted dimensions: 280×362×90mm, suitable for standard 86-type bottom box installation.

1. Certifications and Standards
2. การรับรองในประเทศ: Passed China Compulsory Product Certification (CCC), in line with GB/T 17466.24 “Housings for Electrical Accessories for Fixed Electrical Installations for Household and Similar Purposes” มาตรฐาน, ensuring product safety performance.
3. International Compatibility: Although it has not explicitly obtained UL certification, some export models can meet the CE standard and are suitable for overseas markets with compatible voltages (such as Europe and Southeast Asia).

III. Price and Purchase Suggestions

1. ราคาตลาด:

– Empty box (without internal components): The wholesale price is about 54-62.7 yuan/piece (for bulk purchase of more than 200 pieces), and the retail price is usually between 80-120 หยวน.

– Complete set configuration (including circuit breakers, guide rails, ฯลฯ): The price ranges from 200-500 yuan depending on the brand and quantity of components.

2. Purchase Channels:

– Overseas users can purchase export models by contacting Whatsapp: 0086-13811255435, but need to confirm the local voltage standards and certification requirements.

1. Installation and Precautions
2. Installation Methods:

Flush-mounted: It is necessary to pre-embed an 86-type bottom box in the wall, and the box body is embedded for installation. The panel is flush with the wall, which has high aesthetics but is more complicated in construction.

Surface-mounted: Directly fixed on the wall without pre-embedding, suitable for renovation projects or scenes where slotting is not possible, but it occupies a little more space.

2. Wiring Specifications:

– The main incoming line should use 6-10mm² copper core wires, and the branch circuits are recommended to use 2.5-4mm² wires to ensure that the current-carrying capacity matches.

– The neutral row and ground row must be reliably grounded, and the grounding resistance should be less than 4Ω, which meets the requirements of GB 50303 “Code for Acceptance of Construction Quality of Electrical Engineering”.

3. Safe Operation:

– It must be operated by a certified electrician. Disconnect the upper-level power supply before installation to avoid the risk of electric shock.

– The incoming line hole of the box must be sealed with fireproof mud to prevent the intrusion of rats and insects and the spread of fire.

1. Applicable Scenarios and Alternative Solutions
2. การใช้งานทั่วไป:

– Control of residential lighting, ซ็อกเก็ต, air conditioners and other circuits.

– Power distribution systems for small shops and offices.

2. Upgrade Suggestions:

– If higher protection level or intelligent functions are required, the Chint NX30 series can be considered. This series adds a transparent PC panel and a modular guide rail design, supports the expansion of remote control modules, and the protection level is upgraded to IP54, which is suitable for humid or dusty environments.

– For overseas users who need to meet UL certification, they can choose the NDM series distribution boxes of NOARK, a North American sub-brand of Chint. Its design is compatible with North American NEC standards and has passed UL489 certification.

1. Maintenance and Troubleshooting
2. การตรวจสอบเป็นประจำ:

– Every 2-3 ปี, professionals should check the tightness of the terminal blocks and test the residual current protection function (กดปุ่มทดสอบ).

– Clean the dust in the box and check whether the circuit breaker operates flexibly.

2. Common Problems:

Frequent tripping of the circuit breaker: It may be caused by overload or short circuit. It is necessary to check the load current or replace the faulty circuit breaker.

Panel heating: Check whether the wire connector is loose or the cross-sectional area of the incoming cable is insufficient.

Chint PZ30-15 distribution box has become the mainstream choice for domestic low-voltage power distribution with its high cost performance and reliable performance. When purchasing and using, users need to comprehensively consider the actual load requirements, installation environment and local electrical specifications, and consult professional electrical engineers if necessary. For overseas users, it is recommended to give priority to models that meet local certifications to ensure compliance and safe use.