MA12

MA12

MA12

Product catalog summary
Input Specifications:
  • Electrical Connection: Single-phase, 2-wire.
  • Input Current Range: 50mA to 5A AC, with a maximum continuous input of 6.2A AC.
  • Overrange Indication: Displays 'Or' for inputs exceeding 6.2A AC.
  • Frequency Range: 6 Hz to 50 Hz.
  • Resolution: Varies from 0.001A to 1A depending on CT primary.
  • Accuracy: ±0.5% of full scale (F.S) based on CT primary/shunt setting.
  • Input Burden: 0.5 VA at 5A AC.
  • Sampling Rate: 3 samples per second.
  • Dielectric Withstand Voltage: 2kV AC between auxiliary supply and measuring input.
  • Rated Impulse Withstand Voltage: 3.5kV (1.2/50µS).
Display Specifications:
  • Type: 7-segment LED display with 4 digits.
  • Digit Height: 0.56 inches (14.2mm).
  • Display Range: 0 to 4960A.
Auxiliary Supply Specifications:
  • AC Supply: 240V AC ±20% (50/60Hz) or 110V AC ±20% (60Hz).
  • Supply Frequency: 50/60Hz.
  • Power Consumption: Maximum 5VA at 240V AC.
Settable Parameters:
  • CT Primary Setting: Programmable from 5A to 4000A.
  • CT Secondary Setting: Fixed at 5A.
Environmental Specifications:
  • Operating Temperature: -10°C to +55°C (14°F to 131°F).
  • Storage Temperature: -20°C to +75°C (-4°F to 167°F).
  • Humidity: Up to 95% RH non-condensing.
Mechanical Specifications:
  • Mounting: Panel mount.
  • Weight: 170 grams.
Features:
  • 4-digit, 7-segment LED display.
  • True RMS measurement.
  • Suitable for 1-phase, 2-wire electrical networks.
  • Programmable CT primary up to 4000A.
Certifications and Compliance:
  • Listed under C UL US standards.
  • Complies with IEC 61326-1 for EMI/EMC standards.
  • ESD Immunity: Level IV for air discharge (15kV) and Level III for contact discharge (8kV).
  • Surge Immunity: ±2kV common mode and ±1kV differential mode.
  • Radiated Susceptibility: Levels I to III across various frequency ranges.
  • Conducted Susceptibility: Level II (3V/m).
  • Voltage Dips and Interruptions: Complies with IEC 61000-4-11.
  • Conducted and Radiated Emissions: Complies with CISPR-11.
  • Electrical Fast Transient: Complies with IEC 61000-4-4.
Terminal Connections:
  • AC Models (CT Type): Internal CT with settings from 5A to 4000A; external CT required for inputs >5A.
  • AC Models (Direct Type): Direct connection to the unit.
  • Cable Size: 0.5 to 2.5 mm²; Tightening Torque: 0.68 to 0.79 N-m.
Ordering Information:
  • Product Code: MA12, MA12-CE, MA12-110V, MA12-20A-AC.
  • Supply Voltage Certification: Available for 110V AC and 240V AC.
See more

Catalog excerpts

MA12-1

Ammeter - Digital Display Specifications 4 Digit, 7 segment LED Display True RMS Measurement For 1 Phase 2 Wire Electrical Network CT Primary Programmable upto 4000A C Mechanical Specifications Panel mount Digit Height Display Range Input Specifications Electrical Connection Input Current Range Continuous Max. Input Current Overrange Indication Frequency Range 0.001, 0.01, 0.1, 1A (Depending upon CT primary ±0.5% of F.S (CT primary / shunt setting) Standards Compliance Level IV (Air discharge : 15kV), (Contact Discharge : -8kV) Surge Immunity +/- 2kV common mode, (Line to ground) +/- 1kV differential mode, (Line to Line) Radiated Susceptibility Level III, 80 to 1000MHz (10V/m) Level II, 1.4GHz to 2GHz (3V/m) Level I, 2GHz to 2.7GHz (1V/m) Conducted Susceptibility Dips : 0% residual voltage / 1 cycle (Criteria B), 40% residual voltage / 10 cycles 50Hz / 12 cycles 60Hz (Criteria C) 70% residual voltage / 25 cycles IEC 61000-4-11 50Hz / 30 cycles 60Hz (Criteria C) Interruptions : 0% residual voltage / 250 cycles 50Hz / 300 cycles 60Hz (Criteria C) Input Burden Sampling Rate Dielectric withstand Voltage 2kV AC between auxiliary supply & measuring input Rated Impulse withstand Voltage Voltage Dips and Interruptions Auxiliary Supply Conducted Emission Supply Frequency Power Consumption Auxiliary Supply Specifications Settable Parameters Front bezel Side view Radiated Emission Electrical Fast Transient Panel cutout Environmental Specifications Temperature Humidity (non-condensing)

 Open the catalog to page 1
MA12-2

Ammeter - Digital Ordering Information Terminal Connections Supply Voltage Product Code Cable Size (AWG): 20 to 14 ; Tightening Torque (Lb-inch): 6.018 to 6.992 2 Cable Size (mm ): 0.5 to 2.5 ; Tightening Torque (N-m): 0.68 to 0.79 # AC Models (Direct Type#) N Note: 1) CT Type : There is an internal CT with CT setting (5-4000A). For current input >5A, external CT is required. 2) Direct Type : Input is directly connected to the unit. 1) CT Type: There is an internal CT with CT setting. Above 5A(0-5A model) external CT is required. 2) Direct Type: Input is directly connected to the input of the...

 Open the catalog to page 2

All SELEC Controls Pvt. Ltd. catalogs and technical brochures

  1. MFM376-C-CE

    2  Pages

  2. MFM284

    2  Pages

  3. MFM384-R-C

    2  Pages

  4. MFM383A

    2  Pages

  5. Product Catalog

    48  Pages

  6. EM4M

    2  Pages

  7. 55ES

    1  Page

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
About DirectIndustry
DirectIndustry is a marketplace that offers B2B players a complete experience, from product sourcing to purchase. DirectIndustry is an entity of VirtualExpo Group.