Abb TM3220CCU 200A 32CT Revenue Grade Meter Socket

Product Description

The ABB TM3220CCU is a revenue-grade metering socket rated for 200 amps on a 1-phase, 3-wire (1P3W) electrical service. It is designed to accept up to 32 current transformers (CTs), making it suited for multi-tenant or sub-metering applications where accurate, utility-grade energy measurement is required. The socket provides a secure, code-compliant termination point for the utility meter while supporting downstream CT-based data collection. Installation and service are typically performed by licensed electricians working under applicable NEC guidelines.

This metering socket is used in residential and light commercial applications where 1-phase, 3-wire service is the standard delivery configuration. The 32 CT capacity makes it a strong fit for apartment buildings, commercial strip centers, or any facility requiring individual tenant sub-metering on a single-phase system. It mounts at the service entrance and interfaces directly with the utility meter and distribution equipment downstream.

Key Features

• 200-amp continuous rating suitable for standard residential and light commercial service entrances
• 32 CT positions support extensive sub-metering or revenue-grade energy monitoring
• 1-phase, 3-wire (1P3W) configuration matches the most common North American single-phase service delivery
• Revenue-grade construction meets utility and billing-accuracy standards
• Compact socket form factor integrates with standard meter base installations

Compatibility

Designed as an OEM-style replacement or new-installation metering socket for 1-phase, 3-wire 200-amp service entrance applications requiring CT-based sub-metering capability.

Installation Notes

Installation must be performed by a licensed electrician in accordance with NEC Article 230 and applicable local utility requirements. De-energize and confirm zero voltage at the service entrance before handling meter socket connections. Do not exceed the 200-amp continuous rating of the socket. Coordinate with the local utility before installation or meter removal, as the meter socket may be under utility jurisdiction.