HOYS Series

High performance, contactless current sensors for DC, AC and pulse currents measurements of 100 A, 200 A, 400 A, 500 A, and 560 ARMS nominal with galvanic isolation

HOYS Series – Hall Effect Current Sensors

The HOYS Series comprises high‑performance open‑loop Hall‑effect current sensors designed for accurate measurement of DC, AC, and pulsed currents up to 560 Arms in industrial environments. 

Intended for busbar mounting, HOYS sensors feature large apertures, allowing easy integration into high‑current systems while maintaining reliable electrical isolation.

HOYS current transducers offer fast response time, low offset and gain drift, and include an overcurrent detection function set at 2.93 × Ipn, available via a dedicated output connection. 

These characteristics make the HOYS Series well suited for industrial applications requiring stable current measurement and integrated protection signaling in compact mechanical formats.

HOYS – Features & Benefits

HOYS current sensors

Main characteristics

  • Open loop multi-range current sensor
  • Voltage output
  • Single supply +5 V
  • Overcurrent detect 2.93 × IP N (peak value)
  • Galvanic separation between primary and secondary circuit
  • Low power consumption
  • For busbar mounting
    • Aperture: 21.5 × 13 mm
  • Factory calibrated
  • Mating JST connector:
    • housing PAP-05V-S
    • contact SPHD-00xT-P0.5

Benefits

  • Low offset drift
  • Over-drivable Uref
  • Creepage / clearance > 10.5 mm
  • Fast response
  • Low profile 2 mm pitch connector for 22 to 28 AWG wire.

Typical applications

HOYS current sensors are designed for industrial applications such as:

  • AC variable speed and servo motor drives
  • Static converters for DC motor drives
  • Battery supplied applications
  • Uninterruptible Power Supplies (UPS)
  • Switched Mode Power Supplies (SMPS)
  • Power supplies for welding applications
  • Combiner box
  • Solar inverter on DC side of the inverter (MPPT)

LEM HOYS, HOYL – Download & Technical Characteristic

HOYS Series


Product

Order

DocumentPrimary nominal RMS voltageSupply Voltage rangeOp. Temperature
HOYS 100-S-0100

Datasheet
3D
100 A5 to 5-40 to 105 °C
HOYS 100-S/SP33-1106

Datasheet
3D
100 A3.3 to 3.3-40 to 105 °C
HOYS 200-S-0100

Datasheet
3D
200 A5 to 5-40 to 105 °C
HOYS 200-S/SP33-1106

Datasheet
3D
200 A3.3 to 3.3-40 to 105 °C
HOYS 400-S-0100

Datasheet
3D
400 A5 to 5-40 to 105 °C
HOYS 400-S/SP33-1106

Datasheet
3D
400 A3.3 to 3.3-40 to 105 °C
HOYS 500-S-0100

Datasheet
3D
500 A5 to 5-40 to 105 °C
HOYS 500-S/SP33-1106

Datasheet
3D
500 A3.3 to 3.3-40 to 105 °C
HOYS 560-S-0100

Datasheet
3D
560 A5 to 5-40 to 105 °C
HOYS 560-S/SP33-1106

Datasheet
3D
560 A3.3 to 3.3-40 to 105 °C

 

HOYL Series

 

Product

Order

DocumentPrimary nominal RMS voltageSupply Voltage rangeOp. Temperature
HOYL 200-S-0100

Datasheet
3D
200 A5 to 5-40 to 105 °C
HOYL 400-S-0100

Datasheet
3D
400 A5 to 5-40 to 105 °C
HOYL 600-S-0100

Datasheet
3D
600 A5 to 5-40 to 105 °C
HOYL 800-S-0100

Datasheet
3D
800 A5 to 5-40 to 105 °C

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