Lovato DMK10R1 - VOLTMETER - THREE PHASE - 3 MAXIMUM PHASE VOLTAGE VALUES - 3 MINIMUM PHASE VOLTAGE VALUES - RELAY OUTPUT FOR CONTROL AND PROTECTION FUNCTIONS

General characteristics

The DMK 1... instruments are available with flush-mount housing, 96x48mm/3.78x1.89”.
Measurements are True RMS values and provide for reliable operation even in the presence of harmonics.

Operational characteristics

– Auxiliary supply voltage: 220-240VAC;
– Operating frequency: 50-60Hz
– True RMS measurements
– Max. and Min. measurement storage
– 1 relay output with 1 changeover contact (for DMK...R1 only)
– Housing: Flush mount 96x48mm/3.78x1.89”
– Terminals: 4mm2
– Degree of protection: IP54 on front; IP20 at terminals.

DMK 10 - DMK 10 R1
– Voltage measurement range: 15-660VAC
– Operating frequency range: 45-65Hz
– Programmable VT ratio: 1.00-500.00
– Accuracy: ±0.25% f.s. ±1 digit.

DMK 11 - DMK 11 R1
– Current measurement range: 0.05-5.75A
– Operating frequency range: 45-65Hz
– Programmable CT ratio: 5-10,000
– Accuracy: ±0.5% f.s. ±1 digit.

DMK 15 - DMK 15 R1
– Voltage measurement range: 35-660VAC
– Current measurement range: 0.05-5.75A
– Frequency measure range: 45-65Hz
– Programmable VT ratio: 1.00-500.00
– Programmable CT ratio: 5-10,000
– Accuracy: Voltage ±0.25% f.s. ±1 digit Current ±0.5% f.s. ±1 digit Power ±1% f.s. ±1 digit.

Control and protection functions

DMK 10 R1
– Phase loss or failure: OFF/5-85%
– Maximum voltage: OFF/102-120%
– Minimum voltage: OFF/70-98%
– Asymmetry: OFF/2-20%
– Phase sequence: OFF/L1-L2-L3/L3-L2-L1
– Frequency
• Maximum frequency: OFF/101-110%
• Minimum frequency: OFF/90-99%
• Time delay for max-min voltage, phase loss, asymmetry and min-max frequency : 0.5-900.0 seconds.

DMK 11 R1
– Current loss: OFF/2-100%
– Maximum current: OFF/102-200%
– Maximum current instantaneous tripping: OFF/110-600%
– Minimum current: OFF/5-98%
– Asymmetry: OFF/2-20%
– Time delay for max-min current or current loss and asymmetry : 0.5-900.0 seconds.

DMK 15 R1
– Voltage
• Phase loss or failure: OFF/5-85%
• Maximum voltage: OFF/102-120%
• Minimum voltage: OFF/70-98%
• Asymmetry: OFF/2-20%
• Phase sequence: OFF/L1-L2-L3/L3-L2-L1
– Current
• Current loss: OFF/5-85%
• Maximum current: OFF/102-200%
• Maximum current instantaneous tripping: OFF/110-600%
• Minimum current: OFF/5-98%
• Asymmetry: OFF/2-20%
– Power
• Rated power: 1-10,000
• Maximum power: OFF/101-200%
• Max. power instantaneous tripping: OFF/110-600%
• Minimum power: OFF/10-99%
– Frequency
• Maximum frequency: OFF/101-110%
• Minimum frequency OFF/90-99%
• Time delay for max-min voltage, max-min current or current loss, phase loss, asymmetry and min-max power : 0.0-900.0 seconds.

Certifications and compliance

Certifications obtained: EAC; UL Listed, for USA and Canada (cULus - File E93601), as Auxiliary Devices- Multimeters.
Compliant with standards: IEC/EN 61010-1, IEC/EN 61000-6-2, IEC/EN 61000-6-3, UL 508, CSA C22.2 n° 14.

Independent adjustable delays.