Energy Monitor Main Unit MP-FEA1

Model

MP-FEA1

Measurement specifications

Electrical service type

1-phase 2-wire, 1-phase 3-wire, 3-phase 3-wire, 3-phase 4-wire (switchable)

Number of measurement circuits

1 (up to 2 circuits with the 1-phase 2-wire setting ^*1)

Input specifications

Primary-side rated current, In

When using specialized CT MP-FEC100: 100 A Or, general CT (secondary-side rated input current 1 A) ^*2
When using specialized CT MP-FEC250: 250 A Or, general CT (secondary-side rated input current 1 A) ^*2
When using specialized CT MP-FEC600: 600 A Or, general CT (secondary-side rated input current 1 A) ^*2
When using specialized CT MP-FEC50M: 50 A
When using specialized CT MP-FEC100M: 100 A

Over current withstand capability

1.2 times the primary-side rated current (can be applied consecutively), 10 times the primary-side rated current (for 1 second or less)

Rated input voltage
(direct input)

1-phase 2-wire

・MP-FEC100/MP-FEC250/MP-FEC600, or general CT in use: 100 to 277 VAC (L-N)
・MP-FEC50M/MP-FEC100M in use: 100 to 240 VAC (L-N)

1-phase 3-wire

・MP-FEC100/MP-FEC250/MP-FEC600, or general CT in use: 100 to 240 VAC (L-N), 200 to 480 VAC (L-L)
・MP-FEC50M/MP-FEC100M in use: 100 to 240 VAC (L-N), 200 to 480 VAC (L-L)

3-phase 3-wire

・MP-FEC100/MP-FEC250/MP-FEC600, or general CT in use: 173 to 480 VAC (L-L)
・MP-FEC50M/MP-FEC100M in use: 173 to 240 VAC (L-L)

3-phase 4-wire

・MP-FEC100/MP-FEC250/MP-FEC600, or general CT in use: 100 to 277 VAC (L-N), 173 to 480 VAC (L-L)
・MP-FEC50M/MP-FEC100M in use: 100 to 240 VAC (L-N), 173 to 415 VAC (L-L)

Maximum permissible voltage to earth

・MP-FEC100/MP-FEC250/MP-FEC600, or general CT in use: 480 VAC to earth
・MP-FEC50M/MP-FEC100M in use: 240 VAC to earth

Input voltage fluctuation range

−15% to +15% of the rated input voltage

Rated input frequency

50/60 Hz

Displayable range/
Display resolution
(Main Unit)

Voltage

Display resolution 0.1 [V]

Current

Display resolution 0.001 [A]

Active power/reactive power/apparent power

-8942.400 to +8942.400 [kW/kvar/kVA], display resolution 0.001 [kW/kvar/kVA]

Active energy/reactive energy/apparent energy

0.000 to 999999.999 [kWh/kvarh/kVAh], display resolution 0.001 [kWh/kvarh/kVAh]

Power factor (PF)

-1.00 to 1.00, display resolution 0.01

Frequency

0.0 to 90.0 [Hz], display resolution 0.1 [Hz]

Measurement accuracy

Voltage

±0.5% of RD (within rated input voltage) ^*3

Current

・MP-FEC100/MP-FEC250/MP-FEC600, or general CT in use: ±0.5% of RD (5% ≤ In ≤ 120%), ±1.0% of RD (1% ≤ In < 5%) ^{*2 *3}
・MP-FEC50M/MP-FEC100M in use: ±0.5% of F.S. ^*3

Active energy

・MP-FEC100/MP-FEC250/MP-FEC600, or general CT in use: Compliant with IEC 62053-22 §7.9 table 3 class 0.5 ^{*2 *3}
Power factor 1: ±0.5% of RD (5% ≤ In ≤ 120%), ±1.0% of RD (1% ≤ In < 5%)
Power factor 0.5 inductive: ±0.6% of RD (10% ≤ In ≤ 120%), ±1.0% of RD (2% ≤ In < 10%)
Power factor 0.8 capacitive: ±0.6% of RD (10% ≤ In ≤ 120%), ±1.0% of RD (2% ≤ In < 10%)
・MP-FEC50M/MP-FEC100M in use: ±1.0% of RD (1% ≤ In ≤ 120%) ^*3

Reactive energy

・MP-FEC100/MP-FEC250/MP-FEC600, or general CT in use: Compliant with IEC 62053-23 §7.9 table 3 class 2 ^{*2 *3}
Reactive power factor 1: ±2.0% of RD (5% ≤ In ≤ 120%), ±2.5% of RD (1% ≤ In < 5%)
Reactive power factor 0.5 inductive or capacitive: ±2.0% of RD (10% ≤ In ≤ 120%), ±2.5% of RD (5% ≤ In < 10%)
Reactive power factor 0.25 inductive or capacitive: ±2.5% of RD (10% ≤ In ≤ 120%)
・MP-FEC50M/MP-FEC100M in use: ±2.0% of RD (5% ≤ In ≤ 120%) ^*3

Apparent energy

・MP-FEC100/MP-FEC250/MP-FEC600, or general CT in use: ±0.5% of RD (5% ≤ In ≤ 120%), ±1.0% of RD (1% ≤ In < 5%) ^{*2 *3}
・MP-FEC50M/MP-FEC100M in use: ±1.0% of RD (5% ≤ In ≤ 120%) ^{*3 *4}

Effect of ambient temperature

±0.03%/K ^{*3 *5}

Effect of harmonics

±0.5% of RD ^{*3 *6}

Power factor (PF)

±0.01 ^*3

Power

±0.1 [Hz] ^*3

Current consumption

36 mA

Withstand voltage

Across all terminals and housing: 2500 VAC for 1 minute
Across voltage measurement terminal and communication terminal: 2500 VAC for 1 minute
Across CT input terminal and communication terminal (When using a specialized CT): 2500 V for 1 minute

Insulation resistance

Across all terminals and housing: 20 MΩ min. (500 VDC)
Across voltage measurement terminal and CT input terminal and across communication terminal: 20 MΩ min. (500 VDC)

Environmental resistance

Ambient temperature

-5 to +55°C 23 to 131°F (no freezing)

Relative humidity

35%RH to 85%RH (no condensation)

Measurement category

II

Altitude

2500 m or less

Pollution degree

2

Mounting method

DIN rail mounting

Vibration resistance

10 to 500 Hz, power spectral concentration: 0.033G²/Hz, XYZ axes

Shock resistance

150 m/s², 2 times each for X, Y, and Z axes

Material

Polycarbonate

Weight

Approx. 110 g 3.88 oz