Vestra Corporation

Selec's Current Transformers - Square Type are designed for high-accuracy current measurement, offering reliable performance in demanding industrial applications. These transformers cover a broad range from 30A to 4000A and are certified by ASTA, CE, and UL, ensuring top-tier quality and safety standards. The transformers are versatile with compatibility for bus bar apertures up to 100mm and offer both panel mount and Din rail mount options (with an additional accessory required for rail mounting).

These square-type current transformers are ideal for monitoring and controlling electrical systems in industries, electrical panels, and various power distribution setups. Their high durability, combined with certifications, makes them an excellent choice for critical applications where precision and reliability are essential.

• SPCT-50/30-30/5A-VA1-(2T)-CL5-CE
• SPCT-50/30-60/5A-VA1-CL5-CE
• SPCT-50/30-75/5A-VA1-CL1-CE
• SPCT-50/30-80/5A-VA1-CL1-CE
• SPCT-50/30-100/5A-VA1-CL1-CE
• SPCT-50/30-125/5A-VA1.25-CL1-CE
• SPCT-50/30-160/5A-VA1.5-CL1-CE
• SPCT-50/30-200/5A-VA3-CL1-CE
• SPCT-50/30-250/5A-VA3-CL1-CE
• SPCT-50/30-300/5A-VA5-CL1-CE
• SPCT-50/30-400/5A-VA5-CL1-CE
• SPCT-62/22-30/5A-VA1-CL5-CE
• SPCT-62/30-50/5A-VA1-CL3-CE
• SPCT-62/30-50/5A-VA1.5-CL3-CE
• SPCT-62/30-75/5A-VA1-CL3-CE
• SPCT-62/30-75/5A-VA3-CL3-CE
• SPCT-62/30-100/5A-VA1-CL1-CE

These transformers provide excellent accuracy and are tailored for different current capacities and mounting configurations, making them highly versatile for various electrical distribution needs.

Selec Split Core Current Transformers (SCCT) are designed for efficient and safe current measurement in power monitoring and protection applications. Featuring a snap closing/opening mechanism and sealable covers for security, these transformers provide reliable operation with non-flammable and self-extinguishing properties.

• Nominal Rating: 100A to 6000A

• Inner Dimensions: Available in 30/20mm, 80/50mm

• Accuracy Class: 0.5, 1, 3

• Mounting Type: Busbar

• Safety Features: Sealable covers to prevent unauthorized manipulation

• Material: Non-flammable, self-extinguishing

• Certification: CE Certified

• 100/5A – Accuracy class 3 (SCCT-30/20-100/5A-VA1.5-CL3-CE)

• 150/5A – Accuracy class 0.5, 3 (SCCT-30/20-150/5A-VA1-CL0.5-CE, SCCT-30/20-150/5A-VA1.5-CL3-CE)

• 200/5A – Accuracy class 0.5, 1, 3 (SCCT-30/20-200/5A-VA1-CL0.5-CE, SCCT-30/20-200/5A-VA1.5-CL1-CE, SCCT-30/20-200/5A-VA2.5-CL3-CE)

• 250/5A – Accuracy class 0.5, 1, 3 (SCCT-30/20-250/5A-VA1.5-CL0.5-CE, SCCT-30/20-250/5A-VA2.5-CL1-CE, SCCT-30/20-250/5A-VA3.75-CL3-CE)

• 300/5A – Accuracy class 0.5, 1, 3 (SCCT-30/20-300/5A-VA2.5-CL0.5-CE, SCCT-30/20-300/5A-VA3.75-CL1-CE, SCCT-30/20-300/5A-VA5-CL3-CE)

• 400/5A – Accuracy class 0.5, 1, 3 (SCCT-30/20-400/5A-VA2.5-CL0.5-CE, SCCT-30/20-400/5A-VA5-CL1-CE, SCCT-30/20-400/5A-VA10-CL3-CE)

• 250/5A – Accuracy class 0.5, 1, 3 (SCCT-80/50-250/5A-VA1-CL0.5-CE, SCCT-80/50-250/5A-VA2.5-CL1-CE, SCCT-80/50-250/5A-VA3.75-CL3-CE)

• 300/5A – Accuracy class 0.5, 1, 3 (SCCT-80/50-300/5A-VA1.5-CL0.5-CE, SCCT-80/50-300/5A-VA2.5-CL1-CE, SCCT-80/50-300/5A-VA5-CL3-CE)

• 400/5A – Accuracy class 0.5, 1 (SCCT-80/50-400/5A-VA1.5-CL0.5-CE, SCCT-80/50-400/5A-VA2.5-CL1-CE)

Selec's Current Transformers - Cable Type are designed for precise current measurement in various industrial and electrical applications. These transformers offer a wide range from 30A to 600A, with an accuracy class ranging from Class 1 to 5, making them ideal for applications requiring precise and reliable current monitoring. These transformers have a rated burden of 1.5 / 5 VA, ensuring high-efficiency operation with minimal energy loss.

The panel mount configuration ensures easy installation in electrical panels, while the inner diameters of 30mm and 50mm provide flexibility in handling different conductor sizes. Selec's Current Transformers - Cable Type are perfect for energy metering, protection systems, and other applications where precise current measurement is crucial.

These transformers are suitable for a variety of industries, including power generation, industrial automation, and electrical distribution, where accurate monitoring and protection of electrical circuits are necessary.

• RCT-T-D30-30/5A-VA1.5-CL5
• RCT-T-D30-30/5A-VA5-(2T)-CL5
• RCT-T-D30-50/5A-VA5-CL5
• RCT-T-D30-75/5A-VA5-CL5
• RCT-T-D30-100/5A-VA5-CL1
• RCT-T-D30-150/5A-VA5-CL1
• RCT-T-D50-200/5A-VA5-CL1
• RCT-T-D50-250/5A-VA5-CL1
• RCT-T-D50-300/5A-VA5-CL1
• RCT-T-D50-400/5A-VA5-CL1
• RCT-T-D50-500/5A-VA5-CL1
• RCT-T-D50-600/5A-VA5-CL1

• Wide Current Range: From 30A to 600A for diverse applications.
• Class 1-5 Accuracy: Ensures precise and reliable measurements.
• Flexible Installation: Panel mount for convenient integration into control panels.
• High Efficiency: Rated burden of 1.5/5 VA ensures minimal energy loss.
• Variety of Sizes: Inner diameters of 30mm and 50mm for various conductor sizes.

The Selec Tape Wound Current Transformer offers a reliable and precise solution for current measurement applications across various industrial settings. Designed for a range of 30A to 1600A, these transformers are highly accurate with an accuracy class ranging from 0.5 to 5, making them ideal for a variety of metering and protection applications. Available in multiple rated burdens (1.5 VA, 5 VA, 10 VA), they provide versatility and adaptability in various electrical systems.

These current transformers are manufactured to meet high standards of quality and performance, ensuring reliable operation under demanding conditions. With their tape-wound construction, they offer excellent durability and compactness, making them suitable for a wide array of panel and din rail mounting options. The transformers are perfect for installation in electrical panels and offer flexibility for integration into different bus bar configurations.

• Current Range: 30A to 1600A
• Accuracy: Class 0.5 to Class 5, depending on model
• Rated Burden: Available in 1.5 VA, 5 VA, and 10 VA versions
• Construction: Tape wound design for enhanced durability and accuracy
• Inner Diameter Sizes: Varying from 35mm to 120mm depending on the model
• Mounting: Panel mount and din rail mount (with required accessories)
• Compliance: Manufactured to international standards for safety and reliability
• Temperature Range: Designed to withstand harsh operational environments

• Model Numbers:
  • TWCT-T-D35-30/5A-VA1.5-CL5: Tape wound CT with 30/5A, Inner diameter - 35mm
  • TWCT-T-D35-50/5A-VA5-CL5: Tape wound CT with 50/5A, Inner diameter - 35mm
  • TWCT-T-D35-60/5A-VA5-CL5: Tape wound CT with 60/5A, Inner diameter - 35mm
  • TWCT-T-D35-75/5A-VA5-CL5: Tape wound CT with 75/5A, Inner diameter - 35mm
  • TWCT-T-D35-100/5A-VA5-CL1: Tape wound CT with 100/5A, Inner diameter - 35mm
  • TWCT-T-D35-150/5A-VA5-CL1: Tape wound CT with 150/5A, Inner diameter - 35mm
  • TWCT-T-D55-150/5A-VA5-CL1: Tape wound CT with 150/5A, Inner diameter - 55mm
  • TWCT-T-D55-200/5A-VA5-CL1: Tape wound CT with 200/5A, Inner diameter - 55mm
  • TWCT-T-D55-250/5A-VA5-CL1: Tape wound CT with 250/5A, Inner diameter - 55mm
  • TWCT-T-D55-300/5A-VA5-CL1: Tape wound CT with 300/5A, Inner diameter - 55mm
  • TWCT-T-D55-400/5A-VA5-CL1: Tape wound CT with 400/5A, Inner diameter - 55mm
  • TWCT-T-D65-500/5A-VA5-CL1: Tape wound CT with 500/5A, Inner diameter - 65mm
  • TWCT-T-D65-600/5A-VA5-CL1: Tape wound CT with 600/5A, Inner diameter - 65mm
  • TWCT-T-D110-800/5A-VA10-CL0.5: Tape wound CT with 800/5A, Inner diameter - 110mm
  • TWCT-T-D110-1000/5A-VA10-CL0.5: Tape wound CT with 1000/5A, Inner diameter - 110mm
  • TWCT-T-D120-1000/5A-VA10-CL0.5: Tape wound CT with 1000/5A, Inner diameter - 120mm
  • TWCT-T-D120-1200/5A-VA10-CL0.5: Tape wound CT with 1200/5A, Inner diameter - 120mm
  • TWCT-T-D120-1600/5A-VA10-CL0.5: Tape wound CT with 1600/5A, Inner diameter - 120mm

The Selec LCD Multifunction Meter is a versatile and high-performance solution designed for precise energy monitoring in industrial and commercial applications. With a broad range of features, including Class 0.2S, 0.5S, and Class 1 accuracy as per IEC 62053-22 / 21, this meter ensures accurate measurement of various electrical parameters. It provides real-time monitoring of critical metrics such as voltage (V), current (A), power factor (PF), frequency (Hz), active power (W), energy (Wh), apparent power (VA), and reactive power (VARh).

Equipped with advanced functionality, the meter supports communication via Ethernet and RS485, making it compatible with MODBUS RTU and TCP/IP protocols. It also offers pulse output and allows for in-depth analysis with the ability to measure Total Harmonic Distortion (%THD) and individual harmonics for both voltage and current up to the 40th level.

This multifunction meter is ideal for applications that require precise measurement, time-stamped data logging, and advanced features like displacement power factor (PF), unbalanced current and voltage detection, and configurable favorite pages.

• Energy Standard: Class 0.2S, 0.5S, and Class 1 (IEC 62053-22 / 21)
• Multifunction Monitoring: Monitors V, A, PF, Hz, W, Wh, VA, VAh, VARh
• Max Demand & Import/Export: Measurement for energy consumption and generation
• %THD & Harmonics: Measures Total Harmonic Distortion and individual harmonics up to the 40th level
• Communication: Ethernet & RS485 (MODBUS RTU & TCP/IP Protocol)
• Pulse Output: Supports external integration and monitoring
• Data Logging: Includes timestamped measurements and inbuilt data storage
• Input Voltage Range: 40V to 300V AC/DC (models with 85V to 270V also available)
• Displacement PF: Measures power factor displacement for accurate energy analysis
• Inbuilt I/O: 2 Digital Inputs (DI), 2 Digital Outputs (DO), and RTD support
• Unbalance Detection: Identifies unbalanced currents and voltages
• Configurable Pages: Favorite page for quick access to critical data
• Model Variants: Offers multiple configurations to suit different needs (e.g., rail mount, standard installation)

• Models:
  • MFM386-E-CE-CL02: High-end LCD multifunction meter with Ethernet & RS485 communication, Class 0.2S, Datalogging, Inbuilt 2 DI, 2DO & RTD, Displacement PF, %THD up to 40th level, 40 to 300V AC/DC
  • MFM386-C-CE-CL02: LCD multifunction meter with RS485 communication, Class 0.2S, Datalogging, Inbuilt 2 DI, 2DO & RTD, Displacement PF, %THD up to 40th level, 40 to 300V AC/DC
  • MFM384-C-D-CE-CL05-Plus: Dual source, Class 0.5S, RS485 communication, Time-stamped measurements, %THD up to 31st level, 40 to 300V AC/DC
  • MFM384-C-CE-CL05: LCD multifunction meter, RS485 communication, %THD up to 31st level, 85 to 300V AC/DC, Accuracy Class 0.5S
  • MFM384-C-CE: LCD multifunction meter, RS485 communication, %THD up to 31st level, 85 to 300V AC/DC
  • MFM384-R-C-CE: Rail mount version, RS485 communication, 85 to 270V AC
  • MFM383A-C-CE: LCD multifunction meter, RS485 communication, %THD up to 31st level, 85 to 270V AC/DC
  • MFM383A: LCD multifunction meter, RS485 communication, 85 to 270V AC/DC

Key Features:

• True RMS Measurement: Measures V, A, W, PF, Hz accurately under varying load conditions.
• Phase Compatibility: Available in both 1Ø and 3Ø configurations.
• Display Options: LCD and LED displays for clear visibility.
• CT Measurement: Built-in CT options for 10A, 30A, and 80A load measurement.
• RS485 Communication: MODBUS RTU protocol for easy integration into automation systems.
• Alarm Relay: MX300-1-C-CE model includes alarm relay for fault detection.
• Wide Voltage Range: Suitable for 85 to 270V AC/DC applications.
• Compact Design: 96 x 96 mm size for panel installation, with models ranging from 48 x 48 mm for compact VA meters.

Specifications:

• Measurement Parameters: Voltage (V), Current (A), Power (W), Power Factor (PF), Frequency (Hz).
• Communication: RS485 MODBUS RTU.
• Display Type: LCD or LED.
• Voltage Range: 85 to 270V AC/DC.
• CT Range: Built-in CT for 10A, 30A, and 80A measurements.
• Alarm Relay: Available in MX300-1-C-CE model.
• Dimensions:
  • 96 x 96 mm for standard meters (VAF36A-230-CE, VAF39A, MX300-CE).
  • 48 x 48 mm for VA meters with built-in CT (MVA591-10A-230V, MVA591-30A-230V, MVA591-80A-230V).

Models:

1. VAF36A-230-CE: 3Ø Digital meter with LCD display, built-in RPM/Run hour measurement, 230V AC.
2. VAF39A: 3Ø Digital meter with LED display, built-in RPM/Run hour measurement, 230V AC.
3. VAF391: Digital meter with LED display, measures Voltage, Current, Frequency, Power, and Power Factor, 85 to 270V AC/DC, 96 x 96 mm size.
4. MX300-1-C-CE: 1Ø Multifunction Digital panel meter with alarm relay and RS485 communication, 96 x 96 mm size.
5. MX300-CE: 1Ø Multifunction Digital panel meter with universal auxiliary supply of 85 to 300V AC/DC, 96 x 96 mm size.
6. MVA591-10A-230V: 1Ø VA meter with built-in CT for 10A, 48 x 48 mm size.
7. MVA591-30A-230V: 1Ø VA meter with built-in CT for 30A, 48 x 48 mm size.
8. MVA591-80A-230V: 1Ø VA meter with built-in CT for 80A, 48 x 48 mm size.