PRO Electronics SC203-100A-002IR-010-01K-05 – 100 A DIN‑rail Current Transducer for PLC/DAQ Analog Inputs

The SC203-100A-002IR-010-01K-05 appears to be a 100 A industrial current transducer from the SC203 family by PRO Electronics, designed for straightforward monitoring of load current into a PLC, data logger, or building/energy controller. One thing I appreciate is the model code consistency: “100A” aligns with the primary current range, “010” typically denotes a 0–10 V analog output, and “01K” suggests roughly 1 kHz bandwidth—suitable for most power loads, drives, and general automation needs. It’s a tidy fit for DIN-rail panels where you need stable, isolated measurement without overcomplicating wiring.

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Key Features

• 100 A primary range – Sized for typical feeders, motors, and distribution branches without overspec.
• 0–10 V analog output – Feeds directly into standard PLC/DAQ voltage inputs; no special scaling card needed.
• Isolated measurement – Reduces ground loops and helps protect downstream electronics.
• DIN‑rail friendly – Compact housing for EN 60715 rails; tidy cable routing in crowded cabinets.
• Approx. 1 kHz bandwidth – Responsive enough for drives, inverters, and general load profiling.
• Stable 24 VDC supply – Typical 24 VDC (industrial control standard) for easy integration.
• Low integration cost – Uses common analog inputs; no bus configuration or extra gateways in most cases.

Technical Specifications

Application Fields

From my experience, the SC203 series fits well where you need a clean analog signal into standard control hardware:

• PLC current monitoring for motors, heaters, and pumps in OEM machinery
• Energy dashboards and sub‑metering in utilities or commercial buildings
• VFD/servo panel monitoring to log load profiles and detect overload trends
• UPS and power distribution cabinets for status and alarm thresholds
• Test benches and QA rigs where a fast 0–10 V signal is more convenient than fieldbus

A maintenance supervisor in a food plant told us they swapped legacy CTs for this style because “the 0–10 V into our PLC saved a module and the readings are steadier during machine startups.”

Advantages & Value

• Reliability: Solid, isolated analog chain helps reduce noise pickup in cabinets packed with drives.
• Compatibility: Standard 0–10 V output works with most PLCs, IO modules, and data loggers.
• Cost savings: No gateway or protocol setup—just wire, scale, and run. Typically lowers commissioning effort.
• Supportability: Clear model coding simplifies reorder and fleet standardization across sites.

Installation & Maintenance

• Panel environment: Install in a dry, ventilated cabinet; avoid high-EMI zones next to VFD output chokes.
• Mounting: DIN‑rail mount is typical; secure wiring with ferrules; keep analog leads short and twisted.
• Wiring: 24 VDC supply (use a properly fused auxiliary supply). Route the primary conductor through the sensor aperture or terminals per datasheet.
• PLC scaling: Map 0–10 V to 0–100 A; validate with a clamp meter at 25% and 75% load.
• Safety: De‑energize circuits before installing; follow local electrical codes; verify insulation clearances.
• Routine care: Quarterly connector check and light dust cleaning; re‑verify calibration annually if used for energy reporting.
• Firmware/updates: Analog device—no firmware. Keep controller scaling documentation with the panel file set.

Quality & Certifications

• CE conformity (EMC/LVD) and RoHS compliance, typically applicable for this category
• Manufacturing quality aligned with industrial control standards; UL/CSA availability may depend on region
• Manufacturer’s warranty: 12 months (365 days)

Related Accessories & Supporting Components

• 24 VDC power supply (industrial, 30 W): Clean, regulated supply for stable analog accuracy.
• Shielded twisted-pair signal cable: Helps minimize noise on the 0–10 V line in mixed AC/VFD panels.
• DIN‑rail end stops and markers: Keep the transducer secure and labeled in service panels.

Note: Details above reflect the SC203 series conventions and the specific model coding provided. If you need a 4–20 mA variant or a different bandwidth, we can verify the closest match in the same family before you place an order.