Three Phase Prepaid Electricity CT Meter
JOY311MC
JOY311MC is a CT (Current Transformer) operated meter, which can be provided single or with the whole solution of meter, CT, and contactors together assembled in a meter box.
It is suitable for commercial and industrial applications. Credit and management data is transfered via a 20-digit numeric token that is generated by using the STS (Standard Transfer Specification) encryption protocol from a point of sales(POS) and entered the token into meter via a keypad on the meter body or CIU.
● STS compliant
● Reserved port for external circuit breaker
● Compatiable with external CT of variable ratio
● Reserved CIU connection port
● Keypad with audible and text feedback
● Visual and audio low credit warning
● Emergency credit allowance
● Self-diagnosis of various faults including relay fault, memory fault, etc.
● Improved sealing against ingress of insects
● Significant Reverse Energy (SRE) detection
● Advanced tamper detection
● Easy switch between prepayment and post-payment option
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