Product Overview
The Single Phase Thirteen-Meter Terminal is a high-capacity centralized metering interface designed for multi-story residential buildings and large dormitory complexes where 13 individual single-phase meters must be connected to a common supply. It addresses the wiring complexity of high-density metering by providing a structured, organized terminal interface that simplifies installation and maintenance.
Centralized Metering Solution for Multi-Story Buildings
In a typical 13-unit residential building:
Main Supply
A single three-phase or single-phase main feeder enters the metering cabinet.
01
Phase Distribution
The 13 meter positions are distributed across the available phases (e.g., 5 on L1, 4 on L2, 4 on L3) to maintain approximate phase balance.
02
Terminal Interface
Each meter connects to a dedicated terminal position on the block, with clearly labeled Line (L), Neutral (N), and Earth (PE) connections.
03
Cable Management
The terminal block's organized layout eliminates cable crossing and reduces wiring time by up to 40% compared to individual terminal strips.
04
Structural Parameters & Heat Dissipation
| Parameter | Specification |
| Number of Meter Positions | 13 |
| Terminal Spacing | 18mm (standard DIN module pitch) |
| Main Inlet Cable Range | 25–70 mm² |
| Branch (per meter) Cable Range | 6–16 mm² |
| Rated Current per Meter | 63A (max) |
| Total Aggregate Current | 250A (with balanced loading) |
| Heat Dissipation Design | Vented housing with natural convection channels; terminal spacing optimized for thermal isolation |
| Maximum Operating Temperature | 105°C (continuous) |
The vented housing design and generous terminal spacing prevent heat accumulation even when all 13 meters are operating at full load simultaneously.
Applications
Multi-story apartment building centralized metering, student dormitory meter rooms, hotel guest room sub-metering, small commercial complex tenant metering, and any installation requiring 13 single-phase meter connections from a centralized supply point.
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