CPM 310 G
Digital Multifunction Draw-Out Type Current Protection Relay
CPM 310-G is the digital Overcurrent relay that is designed with 50 years of experience in the relay sector and strong cooperation with our clients. It is widely implemented in Smart Grid and Substation Automation System, therefore it provides us easy-to-use advanced solutions of high protection, control and measurement application for the HV and MV system.
- General Features
- Documents
- 360 View
- Softwares
DEMA proudly presents the users and modern networks a solid alternative for overcurrent protection with CPM 310 G; with the state-of-art electronic, physical and functional technology for use with (X/5) A or (X/1) A conventional type current transformers. As a DSP based digital multi-function protection & control relay with 3 phase & earth overcurrent protection, DEMA CPM 310 G is tested to fulfill international standards requirements; and provides the users numerous assembly, commissioning and service advantages.
MV | HV |
---|
7 Binary Input, 8 Output
RS485 communication, ( MODBUS RTU & IEC60870-5-103) via USB (front port)
Full screen R – S – T and N ampermeter display
Display of activated protection functions on a single screen
Function Test without using Relay Test Set
Largest LCD graphics screen in its class (128 px x 64 px)
Wide IEC, ANSI and custom curve support;
(X/1) A and (X/5) A current transformer compatibility in a single unit
Quick alarm menu access and enhanced alarm explanations
8 programmable Virtual LEDs
Electro-magnetic compatibility tested for IEC directives
Draw-out system that enables under-load unit displacement / replacement
IP52 front side and IP20 backside environmental protection
RMS Current Measurement,Max Rms Current Meas.,Fundemental Current Meas.
P/N Sequences Current Meas.,Frequency, Current, Thermal (θ) Measurements
Circuit Breaker Monitoring,Automatic reclosing Meas.,Event Records ,Fault Records
Alarm Records,Disturbance Waveform Recording (3x5 s)
SCADA ready
IP52 and IP20 protection for front and rear panel respectively
FUNCTION | ANSI CODE | CPM 310 G |
---|---|---|
Earth Overcurrent | 50/51N | 3 thresholds |
Phase Overcurrent | 50/51P | 3 thresholds |
Undercurrent Protection | 37 | 1 thresholds |
Negative Sequence Over-current Protection | 46 | 2 thresholds |
Thermal Overload Protection | 49 | 2 thresholds |
Automatic reclosing | 79 | 4 shot |
Breaker Failure Settings | 50BF | |
Broken Conductor Detection | 46BC | |
Cold Load Pickup | CLPU-50/50N | |
Blocking Relay | 68 | |
Trip Circuit Supervision | 74TCS | |
Latching | 86 | |
Inrush Current Detection | 68 |
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