LEM HO 60-P/SP33-1106 HO-P Series Open Loop Hall Effect Current Transducer
LEM HO 60-P/SP33-1106 Product Overview
The HO 60-P/SP33-1106 is an open-loop Hall effect current transducer from LEM's HO-P Series, designed for the electronic measurement of DC, AC, and pulsed currents with galvanic isolation between the primary and secondary circuits . This through-hole PCB-mount transducer is optimized for unipolar +3.3 V supply operation and features a dedicated overcurrent detection output, making it suitable for industrial drives, power supplies, and renewable energy systems .
Rated for 60 A nominal with a measuring range of ±150 A (2.5 × IPN), it outputs a ratiometric analog voltage of 1.65 ± 0.8 V at nominal current with ±1.25% total accuracy and ±0.75% linearity . Sensitivity is 13.33 mV/A. Response time is 3.5 µs and frequency bandwidth is DC to 100 kHz . Supply voltage range is 3.14 V to 3.46 V with a maximum current consumption of 25 mA . Operating temperature ranges from -40°C to +105°C . Insulation test voltage is 4.3 kV RMS at 50 Hz for 1 minute with >8 mm creepage and clearance distances . The insulating plastic case is recognized according to UL 94-V0.
LEM HO 60-P/SP33-1106 Key Specifications
|
Parameter |
Value |
|
Rated current (IPN) |
60 A |
|
Measuring range (IPM) |
±150 A |
|
Output signal |
Ratiometric voltage (1.65 ± 0.8 V) |
|
Sensitivity |
13.33 mV/A |
|
Supply voltage (VC) |
3.14 V to 3.46 V |
|
Total accuracy (εSL) |
±1.25 % |
|
Linearity (εL) |
±0.75 % |
|
Response time (tD90) |
3.5 µs |
|
Bandwidth (BW) |
DC to 100 kHz (-3 dB) |
|
Insulation test voltage (Vd) |
4.3 kV RMS / 50 Hz / 1 min |
|
Creepage/Clearance |
>8 / >8 mm |
|
Operating temp (TA) |
-40°C to +105°C |
|
Mounting |
PCB (through-hole) |
|
Technology |
Open-loop Hall effect |
LEM HO 60-P/SP33-1106 Key Advantages
The HO 60-P/SP33-1106 employs open-loop Hall effect technology, delivering ±1.25% total accuracy and ±0.75% linearity while providing reinforced galvanic isolation with >8 mm creepage and clearance . The ±150 A measuring range provides ample headroom for overload conditions, and the 100 kHz bandwidth captures dynamic current signals in motor drive and power conversion applications .
A key feature is the dedicated overcurrent detection output set at 2.93 × IPN (peak value), enabling fast system-level protection without additional circuitry . The VREF IN/OUT access provides system-level flexibility for reference voltage synchronization . The single +3.3 V supply simplifies integration into low-voltage digital systems. The through-hole PCB design offers low power consumption (25 mA maximum), high immunity to external interference, and no insertion losses . The device is factory calibrated and meets UL 508 and IEC 61800-5-1 standards for reinforced insulation up to 600 V CAT III .
LEM HO 60-P/SP33-1106 Typical Applications
AC variable speed drives 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 and MPPT systems
Solar inverter DC side current measurement
Why Choose the LEM HO 60-P/SP33-1106?
The HO 60-P/SP33-1106 combines a 60 A rated current and ±150 A measuring range with ratiometric voltage output in a compact through-hole PCB-mount package with a single +3.3 V supply. Manufactured by LEM, it delivers stable, accurate, and safe current measurement for industrial applications. The open-loop Hall effect design offers a cost-effective solution with overcurrent detection, excellent interference immunity, and small footprint. The wide -40°C to +105°C operating temperature range and reinforced insulation ensure reliable performance in demanding environments. The product is Active with a 5-year LEM warranty.
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