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LEM is a global leader in electrical measurement, providing current and voltage transducers, sensors, and energy measurement solutions using Hall Effect, Fluxgate, and digital technologies for industrial, automotive, and energy applications.
Parts that are not part of a series
Company background and product focus
LEM has built unique expertise over 50 years in electrical parameter measurement, providing the broadest portfolio in the industry. The company specializes in galvanically isolated current and voltage sensors for precise, reliable measurement across diverse applications.
LEM's product portfolio includes:
LEM sensors are engineered for precision, reliability, and efficiency, serving industrial, automotive, power supplies, renewable energy, and medical equipment markets. The company's expertise in ASIC design and embedded software ensures cutting-edge measurement performance.
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Product families from LEM USA Inc.
| Series | Category | Parts | Status | Description |
|---|---|---|---|---|
| Series | Category | Parts | Status | Description |
|---|---|---|---|---|
| Current Sense Transformers | 3 | Active |
Parts from LEM USA Inc. that are not part of a series
| Part Information | Pricing (lowest) | Current - Sensing | Number of Channels | Frequency | Minimum Frequency | Frequency (Min) | Frequency (Max) | Maximum Frequency | Sensor Type | Output | Mounting Type | Current - Supply (Max) | Polarization | Response Time | Package / Case | Operating Temperature (Min) | Operating Temperature (Max) | For Measuring | Voltage - Supply (Minimum) | Voltage - Supply (Maximum) | Linearity Tolerance | Accuracy |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 LEM USA Inc. CURRENT SENSOR HE/OL 1000A | Sign in to see pricing | 1000 A | 1 | DC | DC | 20 Hz | 6 kHz | 6 kHz | Hall Effect, Open Loop | Analog Voltage | Chassis Mount | 35 mA | Unidirectional | 150 ms | Module, Single Pass Through | -40 °C | 70 °C | AC, DC | 20 VDC | 50 VDC | 1 % | 1 % |
 LEM USA Inc. TRANSDUCER 1000A 4-20MA | Sign in to see pricing | 1000 A | 1 | DC | DC | 20 Hz | 6 kHz | 6 kHz | Current Switch | Current | — | 30 mA | Unidirectional | 150 ms | — | -40 °C | 70 °C | AC, DC | 20 VDC | 50 VDC | 1 % | 1 % |
LEM USA Inc. CURRENT SENSOR HE/OL 1000A | Sign in to see pricing | 1000 A | 1 | DC | DC | 20 Hz | 6 kHz | 6 kHz | Hall Effect, Open Loop | Analog Voltage | Chassis Mount | 35 mA | Unidirectional | 150 ms | Module, Single Pass Through | -40 °C | 70 °C | AC, DC | 20 VDC | 50 VDC | 1 % | 1 % |
LEM USA Inc. CURRENT SENSOR HE/OL 1500A | Sign in to see pricing | 1500 A | 1 | DC | DC | 20 Hz | 6 kHz | 6 kHz | Hall Effect, Open Loop | Analog Voltage | Chassis Mount | 35 mA | Unidirectional | 150 ms | Module, Single Pass Through | -40 °C | 70 °C | AC, DC | 20 VDC | 50 VDC | 1 % | 1 % |
LEM USA Inc. CURRENT SENSOR HE/OL 1500A | Sign in to see pricing | 1500 A | 1 | DC | DC | 20 Hz | 6 kHz | 6 kHz | Hall Effect, Open Loop | Voltage | Chassis Mount | 30 mA | Unidirectional | 150 ms | Module, Single Pass Through | -40 °C | 70 °C | AC, DC | 20 VDC | 50 VDC | 1 % | 1 % |
LEM USA Inc. CURRENT SENSOR HE/OL 2000A | Sign in to see pricing | 2000 A | 1 | DC | DC | 20 Hz | 6 kHz | 6 kHz | Hall Effect, Open Loop | Analog Voltage | Chassis Mount | 35 mA | Unidirectional | 150 ms | Module, Single Pass Through | -40 °C | 70 °C | AC, DC | 20 VDC | 50 VDC | 1 % | 1 % |
 LEM USA Inc. TRANSDUCER | Sign in to see pricing | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
LEM USA Inc. CURRENT SENSOR HE/OL 2000A | Sign in to see pricing | 2000 A | 1 | DC | DC | 20 Hz | 6 kHz | 6 kHz | Hall Effect, Open Loop | Analog Voltage | Chassis Mount | 35 mA | Unidirectional | 150 ms | Module, Single Pass Through | -40 °C | 70 °C | AC, DC | 20 VDC | 50 VDC | 1 % | 1 % |
LEM USA Inc. CURRENT SENSOR HE/OL 500A | Sign in to see pricing | 500 A | 1 | DC | DC | 20 Hz | 6 kHz | 6 kHz | Hall Effect, Open Loop | Analog Voltage | Chassis Mount | 35 mA | Unidirectional | 150 ms | Module, Single Pass Through | -40 °C | 70 °C | AC, DC | 20 VDC | 50 VDC | 1 % | 1 % |
LEM USA Inc. CURRENT SENSOR HE/OL 500A | Sign in to see pricing | 500 A | 1 | DC | DC | 20 Hz | 6 kHz | 6 kHz | Hall Effect, Open Loop | Voltage | Chassis Mount | 30 mA | Unidirectional | 150 ms | Module, Single Pass Through | -40 °C | 70 °C | AC, DC | 20 VDC | 50 VDC | 1 % | 1 % |