LEM PCM 10-P/SP1 PCM Series Closed Loop Current Transducer
LEM PCM 10-P/SP1 Product Overview
The PCM 10-P/SP1 is a closed-loop Hall effect current transducer from LEM's PointSenz PCM Series, designed for the electronic measurement of DC, AC, and pulsed currents with galvanic isolation between the primary and secondary circuits . This split-core transducer features secondary connections on a cable and is specifically engineered for monitoring points in trackside railway applications .
Rated for 10 A nominal with a measuring range of ±20 A, it outputs a 4-20 mA current signal (4 mA for -Ip, 12 mA for 0 A, 20 mA for +Ip) with ±1% accuracy and ±0.2% linearity . Response time is 10 µs and bandwidth is DC to 1 kHz . Supply voltage is +24 V DC with reverse polarity protection . Mass is 155 g and operating temperature ranges from -40°C to +85°C . Insulation test voltage is 50 V RMS with 12 mm creepage and 10 mm clearance. The 15.6 mm aperture accommodates the primary conductor, and secondary connections are made via 3 m screened polyurethane cable . The device features an insulating plastic case recognized according to UL 94-V0 and is water-resistant rated to IP67.
LEM PCM 10-P/SP1 Key Specifications
|
Parameter |
Value |
|
Rated current (IPN) |
10 A |
|
Measuring range (IPM) |
±20 A |
|
Output signal |
4-20 mA current |
|
Supply voltage (VC) |
+24 V DC (±10%) |
|
Accuracy (X) |
±1.0 % |
|
Linearity (EL) |
±0.2 % |
|
Response time (tr) |
10 µs |
|
Bandwidth (BW) |
DC to 1 kHz |
|
Insulation (Vd) |
50 V RMS |
|
Creepage/Clearance (dcp/dcl) |
12/10 mm |
|
Aperture |
15.6 mm |
|
Operating temp (TA) |
-40°C to +85°C |
|
Mass (m) |
155 g |
|
Mounting |
Panel mounting |
|
Protection rating |
IP67 |
|
Secondary connection |
3 m screened polyurethane cable |
LEM PCM 10-P/SP1 Key Advantages
The PCM 10-P/SP1 employs closed-loop Hall effect technology, delivering ±1% accuracy and ±0.2% linearity while providing galvanic isolation between primary and secondary circuits . The split core design enables easy installation and maintenance without disconnecting existing conductors, making it ideal for retrofit installations . The 4-20 mA output provides seamless integration with monitoring systems and PLCs. The IP67 water-resistant design and UL 94-V0 rated insulating plastic case ensure reliable performance in harsh trackside environments . The reverse polarity protection enhances system safety and durability, and the cable output simplifies wiring in space-constrained railway installations .
LEM PCM 10-P/SP1 Typical Applications
Points condition monitoring for railway trackside applications
Signal light indication
Battery supplied applications
Uninterruptible Power Supplies (UPS)
Railway infrastructure monitoring
Electrically driven points machine monitoring
Trackside equipment protection and fault detection
Retrofit installations without service interruption
Why Choose the LEM PCM 10-P/SP1?
The PCM 10-P/SP1 combines a 10 A rated current with ±20 A measuring range and 4-20 mA output in a compact, IP67-rated split-core package with 3 m cable output. Manufactured by LEM, it delivers stable, accurate, and safe current measurement specifically for railway trackside applications. The closed-loop Hall effect design provides excellent accuracy and linearity, while the IP67 water-resistant enclosure ensures reliable operation in demanding outdoor environments. The split-core design and cable output offer easy installation without system interruption, making it an ideal choice for railway infrastructure monitoring and protection applications .
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