PCM Series
DC, AC pulse currents' measurements from 5 to 30 A DC or RMS nominal with galvanic isolation.
PCM - Railway current sensors
The PointSenz PCM family is precisely optimized for the electronic measurement of bipolar DC currents while ensuring galvanic isolation between the primary and secondary circuits. These sensors, known as PCM (Points Condition Monitoring), are purposefully engineered for monitoring points in trackside applications, ensuring the safe and efficient operation of railway systems.
The PCM trackside current transducers are designed with a compact split-core design to facilitate maintenance and are intended for panel mounting. They feature a 15.6 mm aperture for the primary conductor to pass through. The PCM family operate based on the closed-loop Hall effect sensor principle, which ensures precise and reliable current measurements in railway trackside applications.
PCM – Features and benefits
Features
- Closed loop (compensated) current transducer using the Hall effect
- Panel mounting
- Split core design for easy installation
- Insulating plastic case recognized according to UL 94-V0
- Water resistant design rated to IP 67
- Reverse polarity protected
Main characteristics
- Excellent accuracy
- Very good linearity
- No insertion losses
- Current overload capability
- Non-contact measurement (does not need a safety case)
Typical applications
The PCM family of sensors is meticulously designed for traction applications, offering versatility in a range of scenarios within this domain, including:
- Points condition monitoring
- Signal light indication
- Battery supplied applications
- Uninterruptable Power Supplies (UPS)
LEM PCM – Download & Technical Characteristic
| Product | Document | Primary nominal RMS voltage | Supply Voltage range | Op. Temperature |
|---|---|---|---|---|
| PCM 5-PR/SP2 | 5 A | 24 to 24 | -25 to 55°C | |
| PCM 10-P | 10 A | 24 to 24 | -40 to 85 °C | |
| PCM 10-P/SP1 | Datasheet | 10 A | 24 to 24 | -25 to 55°C |
| PCM 20-P | Datasheet | 20 A | 24 to 24 | -25 to 55°C |
| PCM 30-P | Datasheet | 30 A | 24 to 24 | -25 to 55°C |
| PCM 30-P/SP1 | Datasheet | 30 A | 24 to 24 | -25 to 55°C |
| PCM 30-P/SP2 | Datasheet | 30 A | 24 to 24 | -25 to 55°C |
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