PZ-30 Modular Terminal Box

The PZ30 series modular terminal lighting distribution box (hereinafter referred to as the “terminal box”) is suitable for single-phase three-wire or three-phase five-wire terminal circuits operating at 50/60 Hz AC, with a rated voltage of 230/400 V and a load current not exceeding 100 A. It provides control and power distribution for electrical equipment while also offering protection against overloads, short circuits, and earth leakage. It can be widely used in modern buildings such as hotels, residential and commercial structures, industrial and mining enterprises, commercial facilities, high-rise office buildings, railway stations, hospitals, schools, government offices, and residential complexes.

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High- and Low-Voltage Switchgear Series

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Product Description

　　Overview

　　The PZ30 series modular terminal lighting distribution box (hereinafter referred to as the “terminal box”) is suitable for single-phase three-wire or three-phase five-wire terminal circuits operating at 50/60 Hz AC, with a rated voltage of 230/400 V and a load current not exceeding 100 A. It provides control and power distribution for electrical equipment while also offering protection against overloads, short circuits, and earth leakage. It can be widely used in modern buildings such as hotels, residential and commercial structures, industrial and mining enterprises, shopping centers, high-rise office towers, railway stations, hospitals, schools, government offices, and residential complexes.

　　Product Features and Functions

　　The main structural components include the cover, enclosure, transparent shield, mounting rails, conductive busbars, incoming cable guard, and busbar baffles. It is equipped with neutral and grounding terminals. All electrical components inside the enclosure are modular units with a 9 mm module width, allowing for flexible configuration into a wide variety of circuit schemes as needed. Each module measures 18 mm in length, and up to 60 modules can be installed. The handles of the mounted electrical components are exposed for easy operation, while live parts and other hazardous areas are concealed within the upper cover. Accessing the interior is straightforward by opening the transparent hinged door, ensuring safe and reliable use.

　　Technical Specifications

　　1. Rated operating voltage: AC 220 V / 380 V (50 Hz)

　　2. Rated insulation voltage: AC 380 V

　　3. Electrical clearance: 5.5 mm

　　4. Creepage distance: 6.3 mm

　　5. Enclosure protection rating: IP30

　　Installation type

　　There are two types: surface-mounted (suspended) and concealed (recessed). The concealed type comes with a pre‑embedded box and a decorative panel.

　　Ordering Instructions

　　When placing an order, the purchaser shall provide our company with the following product-related data:

　　1. Product Model

　　2. Electrical system diagram and model numbers and specifications of various components