Energy Monitor Main Unit MP-FEA1

Model

MP-FEA1

Measurement specifications

Phase wire system

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

No. of measurement circuits

1 circuit (maximum of 2 circuits in a 1-phase 2-wire configuration ^*1)

Input specifications

Primary side rated current (In)

Dedicated MP-FEC100 CT: 100 A, or general-purpose CT (secondary side rated input current 1 A) ^*2
Dedicated MP-FEC250 CT: 250 A, or general-purpose CT (secondary side rated input current 1 A) ^*2
Dedicated MP-FEC600 CT: 600 A, or general-purpose CT (secondary side rated input current 1 A) ^*2
Dedicated MP-FEC50M CT: 50 A
Dedicated MP-FEC100M CT: 100 A

Overcurrent withstand capability

1.2 times the primary side rated current (can be continuous), 10 times the primary side rated current (1 sec or less)

Rated input voltage
(Direct input)

1-phase 2-wire

When using MP-FEC100/MP-FEC250/MP-FEC600 or general-purpose CT: 100 VAC to 277 VAC (L-N)
When MPFEC50M or MP-FEC100M is used: 100 VAC to 240 VAC (L-N)

1-phase 3-wire

When using MP-FEC100/MP-FEC250/MP-FEC600 or general-purpose CT: 100 VAC to 240 VAC (L-N), 200 VAC to 480 VAC (L-L)
When MPFEC50M or MP-FEC100M is used: 100 VAC to 240 VAC (L-N), 200 VAC to 480 VAC (L-L)

3-phase 3-wire

When using MP-FEC100/MP-FEC250/MP-FEC600 or general-purpose CT: 173 VAC to 480 VAC (L-L)
When MPFEC50M or MP-FEC100M is used: 173 to 240 VAC(L-L)

3-phase 4-wire

When using MP-FEC100/MP-FEC250/MP-FEC600 or general-purpose CT: 100 to 277 VAC (L-N), 173 to 480 VAC (L-L)
When MPFEC50M or MP-FEC100M is used: 100 to 240 VAC (L-N), 173 to 415 VAC (L-L)

Maximum allowable earth voltage

When using MP-FEC100/MP-FEC250/MP-FEC600 or general-purpose CT: 480 VAC to earth
When MPFEC50M or MP-FEC100M is used: 240 VAC to earth

Input voltage fluctuation range constant

-15% to +15% of 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

・When using MP-FEC100/MP-FEC250/MP-FEC600 or general-purpose CT: ±0.5% of RD (5% ≤ In ≤ 120%), ±1.0% of RD (1% ≤ In < 5%) ^{*2 *3}
・When MPFEC50M or MP-FEC100M is used: ±0.5% of F.S. ^*3

Active energy

・When using MP-FEC100/MP-FEC250/MP-FEC600 or general-purpose CT: Complies with IEC62053-22 §7.9 table 3 class 0.5 ^{*2 *3}
Power factor of 1: ±0.5% of RD (5% ≤ In ≤ 120%), ±1.0% of RD (1% ≤ In < 5%)
Power factor of 0.5 (inductive): ±0.6% of RD (10% ≤ In ≤ 120%), ±1.0% of RD (2% ≤ In < 10%)
Power factor of 0.8 (capacitive): ±0.6% of RD (10% ≤ In ≤ 120%), ±1.0% of RD (2% ≤ In < 10%)
・When MPFEC50M or MP-FEC100M is used: ±1.0% of RD (1% ≤ In ≤ 120%) ^*3

Reactive energy

・When using MP-FEC100/MP-FEC250/MP-FEC600 or general-purpose CT: Complies with IEC62053-23 §7.9 table 3 class 2 ^{*2 *3}
Reactive power factor of 1: ±2.0% of RD (5% ≤ In ≤ 120%), ±2.5% of RD (1% ≤ In < 5%)
Reactive power factor of 0.5 (inductive or capacitive): ±2.0% of RD (10% ≤ In ≤ 120%), ±2.5% of RD (5% ≤ In < 10%)
Reactive power factor of 0.25 (inductive or capacitive): ±2.5% of RD (10% ≤ In ≤ 120%)
・When MPFEC50M or MP-FEC100M is used: ±2.0% of RD (1% ≤ In ≤ 120%) ^*3

Apparent energy

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

Effects of ambient temperature

±0.03%/K ^{*3 *5}

Effects of harmonics

±0.5% of RD ^{*3 *6}

Power factor (PF)

±0.01 ^*3

Frequency

±0.1 [Hz] ^*3

Current consumption

36 mA

Withstand voltage

Between all terminals and case: 2500 VAC for 1 minute
Between voltage measurement terminal and communication terminal: 2500 VAC for 1 minute
Between CT input terminal and communication terminal (when dedicated CT is used): 2500 V for 1 minute

Insulation resistance

Between all terminals and case: at least 20 MΩ min (500 VDC), Between voltage measurement terminals
CT input terminals and communication terminals: at least 20 MΩ min (500 VDC)

Environmental resistance

Ambient temperature

-5 to +55°C (no freezing)

Relative humidity

35 to 85% RH (no condensation)

Measurement category

ll

Usage altitude

2500 m or less

Pollution degree

2

Installation method

DIN rail

Vibration resistance

10 to 500 Hz; Power Spectral Density: 0.033 G²/Hz for X, Y and Z directions

Shock resistance

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

Material

Polycarbonate

Weight

Approx. 110 g