Franklingrid DTM-4-ETH Distribution Transformer Monitor with Ethernet (with Ethernet)

GENERAL

Applications:

+ 3-Phase Wye, 100-480V Line-Neutral, 50/60 Hz

+ 3-Phase (3 and 4-wire) Delta, 480V Line-Line, 50/60 Hz

+ 3-Phase Corner-Grounded Delta, 100-480V Line-Line, 50/60 Hz

Tolerances: Voltage ±10%, Frequency ±5%

Power Source: Powered from the transformer secondary via Phase A and N voltage leads

Temperature Sensors: 2 each RTDs, 25lb. Magnetic-mounted, 5-foot lead length

Current Sensors: 4 each, Rogowski Coils, 5-foot lead length

Fuses: Internal fuses on phase A and neutral leads (2 Amps)

ENVIRONMENTAL

Enclosure Rating: NEMA 4X, IP65 (Ethernet option)

Operating Temperature/Humidity: -40°C to +60°C / 0–90% RH

Storage Temperature/Humidity Range: -40°C to +85°C / 0–95% RH

MEASURED PARAMETERS

Signal/ Channels/ Range/ Accuracy:

Temperature/ 2/ -50°C to +150°C/ ±3°C (1.5%)

10/12 Cycle RMS Voltage/ 3/ 90-480V RMS Line-to-neutral/ ±0.5%

10/12 Cycle RMS Current/ 3 + Neut./ 0-3000 Amps/ ±1%

Phase Angle/ 3/  0° – 360° phase difference/ ±2%

Line Frequency/ 3/ 47-63 Hz/ ± 0.1 Hz

Power Factor/ 3/ ± 1.000/ ±0.05

Voltage/Current THD/ 3/ 0% – 400% THD/ ±5% absolute

ALARM NOTIFICATION TYPES: Threshold Limits

+ Voltage Signal Delta

+ Current Signal Delta

+ Voltage Sag and Swell

+ K-Factor Harmonics

+ Top/Bottom Tank Temperature 

+ Temperature Delta 

+ Winding Hot Spot Load Ratio

+ Winding Load

+ Winding Hot Spot Temperature

COMMUNICATIONS

Local Communication: Wi-Fi (TCP/IP)

User Interface: CONVERGE™ embedded webserver running on Linux platform accessible via standard web browser

Protocol: MQTT; DNP3 and MODBUS with Ethernet option

Embedded Device Options: Cat M1 Cellular

LED Indicator: Tri-color LED to indicate running and alarm states (can be deactivated)

MECHANICAL

Size (W x L x H): 6.25" x 7.75" x 3.75"

Weight: 5.5 Lbs.

Mounting: Magnet-mount (provided)

Included Hardware: 

Voltage leads (5)

Split-core Rogowski coils (4)

RTD temperature sensors (2)

Magnet mount

Datasheet

Manual

Brochure