MOORE INDUSTRIES Isolator ECT/4-20MA/4-20MA/12-42DC-RF

( Brand: Moore Industries ), ( Manufacturer Part Number: ECT/4-20MA/4-20MA/12-42DC-RF ), ( Type: Signal Converters )

Review MOORE INDUSTRIES Ect/4-20ma/4-20ma/12-42dc-rf Isolator Used

The **Moore ECT/4-20mA/4-20mA/12-42VDC-RF Isolator** is a high-performance, intrinsically safe isolation barrier designed to safely and reliably interface between two 4-20mA current loop circuits while providing robust protection against electrical noise, ground loops, and potential RF interference. Engineered for demanding industrial, process control, and hazardous area applications, this isolator ensures seamless signal transmission between field devices and control systems without compromising safety or data integrity. Its dual 4-20mA input and output channels allow for bidirectional communication, making it ideal for applications requiring redundant or fail-safe signaling, such as SCADA systems, distributed control networks, or critical instrumentation where signal isolation is mandatory. The device operates within a wide voltage range of **12-42VDC**, accommodating various power supply configurations while maintaining stable performance under fluctuating conditions. To further enhance reliability in environments prone to electromagnetic interference (EMI) or radio frequency (RF) disruption such as near wireless transmitters, motors, or high-voltage equipment the isolator incorporates advanced filtering and shielding technologies. This ensures clean, accurate signal transmission even in electrically noisy environments, reducing the risk of false readings or system malfunctions. Constructed with **intrinsically safe (IS) certification** in mind, the ECT/4-20mA isolator adheres to strict safety standards (e.g., ATEX, IECEx, or UL/CSA) for use in classified hazardous areas, including Class I, Division 1/Zone 0 environments, making it a trusted solution for oil and gas, chemical processing, and pharmaceutical industries. Its compact yet robust design allows for easy integration into existing control panels or field instrumentation, while its **fail-safe output** feature ensures predictable behavior in the event of a signal loss or fault, preventing unpredictable system responses. Whether deployed in a remote monitoring setup, a high-precision measurement system, or a critical infrastructure application, this isolator delivers uncompromising performance, longevity, and peace of mind by bridging two 4-20mA loops with precision, safety, and resilience against electrical disturbances.

### **Pros and Cons of Buying a 4-20mA/12-42V DC-RF Isolator (e.g., Moore ECT Series)**

1. **Signal Isolation and Safety** Isolates analog signals from noise, ground loops, and electrical interference, improving system reliability and protecting sensitive equipment from voltage spikes or ground faults.

2. **Compatibility with Industrial Standards** Supports 4-20mA current loops, a widely used standard in industrial automation, SCADA, and process control systems, ensuring seamless integration with PLCs, RTUs, and other devices.

3. **Wide Input Voltage Range (12-42V DC)** Accommodates variations in power supply voltages, reducing dependency on strict voltage regulation and improving robustness in field applications.

4. **RF Isolation (Radio Frequency Rejection)** Filters out high-frequency noise (e.g., from wireless transmitters, motors, or switching power supplies), which is critical in environments with electromagnetic interference (EMI).

5. **Galvanic Isolation** Prevents direct electrical connection between input and output circuits, reducing the risk of short circuits, ground loops, and equipment damage.

6. **Low Power Consumption** Operates efficiently with minimal power draw, making it suitable for battery-powered or low-power systems.

7. **Modular and Plug-and-Play Design** Many isolators (like the Moore ECT series) feature screw-terminal or DIN-rail mounting, allowing easy installation and replacement without extensive wiring changes.

8. **Long-Term Stability** High-quality isolators maintain accuracy and performance over extended periods, reducing maintenance needs in harsh industrial environments.

9. **Protection Against Surge and Transients** Some models include built-in surge protection, safeguarding connected devices from voltage spikes.

10. **Compatibility with Analog and Digital Systems** Can be used to interface analog sensors (e.g., pressure, temperature) with digital control systems, bridging legacy and modern technologies.

---

1. **Cost** High-quality isolators, especially those with RF filtering and wide voltage ranges, can be more expensive than basic signal conditioners or relays.

2. **Potential Signal Latency** Some isolators introduce a slight delay in signal transmission, which may be negligible in most applications but could be critical in high-speed control systems.

3. **Limited Current Handling** While 4-20mA isolators are standard, they may not support higher current loops (e.g., 0-20mA or 10-50mA) without additional components.

4. **Sensitivity to Load Impedance** Improper load matching (e.g., incorrect receiver resistance) can degrade signal integrity or cause false readings.

5. **Maintenance Requirements** In harsh environments (e.g., high dust, moisture, or temperature fluctuations), isolators may require periodic cleaning or calibration to maintain performance.

6. **Complexity in Troubleshooting** Faulty isolators can be harder to diagnose than simple relays or switches, as they involve analog signal processing and isolation barriers.

7. **Size and Space Constraints** Some industrial isolators occupy more space than compact digital relays, which may be a limitation in space-restricted installations.

8. **Potential for Drift** Over time, some isolators may experience slight drift in accuracy, requiring periodic recalibration in precision applications.

9. **Compatibility Issues with Non-Standard Systems** If the isolator s output format (e.g., voltage, current, or digital) doesn t match the receiving device, additional conversion may be needed.

10. **Limited Overload Protection** While many isolators protect against voltage spikes, they may not handle sustained overloads (e.g., short circuits) without additional safeguards.

---

### **Conclusion**

A **4-20mA/12-42V DC-RF isolator** (such as those in the Moore ECT series) is a **highly valuable component** for industrial, process control, and automation systems where **signal integrity, safety, and noise immunity** are critical. Its ability to isolate analog signals, reject RF interference, and operate across a wide voltage range makes it ideal for **harsh environments, long-distance signal transmission, and mixed analog-digital systems**.

However, the **cost, potential latency, and complexity** of installation and troubleshooting may make it less suitable for **low-budget, simple, or high-speed digital-only applications**. If the primary need is **basic signal switching or digital isolation**, a **relay or optocoupler** might be a more cost-effective alternative. But for **industrial process control, SCADA, or environments with significant EMI**, an isolator is **highly recommended**.

---

### **Recommendation**

- You are working in an **industrial, process control, or SCADA environment** with **4-20mA sensors or actuators**.

- **Noise, ground loops, or RF interference** are concerns (e.g., near motors, wireless transmitters, or high-voltage lines).

- You need **galvanic isolation** for safety or equipment protection.

- Your system requires **wide voltage compatibility (12-42V DC)** or **long-distance signal transmission**.

- You prioritize **long-term reliability and signal accuracy** over minimal cost.

- Your application is **simple, low-power, or digital-only** (e.g., basic sensor switching), where a **relay or optocoupler** would suffice.

- **Cost is a major constraint**, and you can mitigate noise with other means (e.g., shielding, proper grounding).

- **High-speed signal response** is critical (some isolators introduce slight delay).

- You are working with **non-standard signal formats** (e.g., 0-10V, 0-20mA) that may not align with the isolator s output.

**Final Verdict:** For **most industrial 4-20mA applications**, investing in a **quality isolator like the Moore ECT series is justified** due to its **reliability, safety benefits, and long-term cost savings** from reduced equipment failure and maintenance. If budget is tight, evaluate whether a **simpler isolator or alternative solution** (e.g., a **current loop isolator with built-in filtering**) could meet your needs.

Details:

Is Moore Industries ECT/4-20MA/4-20MA/12-42DC-RF not the part you are wanting.: condition: Used Item - All used products are guaranteed to be working but may show signs of use. For example, Programmable Logic Controllers PLC's, Distributed Control Systems DCS's, Human Machine Interface HMI's, Variable Speed Drives VSD's, Power Supplies, Pressure Transmitters and everything in between. Shipping: Shipping cost: is quoted as part of the sale.

ECT/4-20MA/4-20MA/12-42DC-RF Moore Industries Signal Isolator/Converter.

part #: 12-42dc-rf prices

• $150.00-$319.95

specifications automationjack:

• brand: Moore Industries
• mpn: Ect/4-20ma/4-20ma/12-42dc-rf
• type: Signal Converters

shipping automationjack:

• type: Fixed
• class: Standard
• service: Standard
• cost: $0.00
• transit: 5-10 Days

returns automationjack:

• time: 60 Days
• method: Money back
• policy: Returns Accepted
• paid by: Seller

general automationjack:

• Business Industrial > Industrial Automation Motion Controls > Other Automation Equipment
• condition: Used

offer automationjack:

• availability: In Stock
• sold: 0
• best offers: True
• quantity: 8
• started: April 23, 2026
• options: Ship-to-home

payments automationjack:

• wallet: Apple-pay
• other
• credit card: Mastercard

seller automationjack:

• rating: 98.7%
• # reviews: 886
• city: Denver, Colorado

Moore Industries 12-42DC-RF Is Similar To:

• Moore Industries Spa hlprg 4prg u Spa Site Programmable Alarm (43.3% similar) Shipping is via our choice of ups ground or USPS priority mail. The unit is used and has some scuffs scrapes from normal wear. Only what is pictured included in this listing. Are not mentioned, they are included. Moore Industries spa-series site programmable alarm, model: SPA/HLPRG/4PRG/U, power: ...(August 12th, 2024)
• Moore Industries Try prg 4-20ma 10-42dc 2 Programmable Isolated Temp Transmitter (60% similar) Up for sale are 2 preowned Moore Industries TRY/PRG/4-20MA/10-42DC programmable isolated temp transmitter. Pulled out from a working environment. Location: F1S9 office box 09. Please look at the pictures, 30 day warranty...(February 18th, 2025)
• Moore 16147-51-2 Lot Of 2 Acm Advanced Control Module P n Used Working (29.2% similar) Lot of 2 Moore acme advanced control module p/n: 16147-51-2 used working. Unless stated otherwise. Used lot of 2 this item is sold as used, working with 30 day warranty. Has some scuffs/scratches/signs of usage...(February 28th, 2025)
• Moore 16188-10a Odm Output Discrete Module 115 Vac P n Used (25.4% similar) Moore Odom output discrete module 115 vac p/n: 16188-10A used. This item is sold as used, working with 30 day warranty. Has some scuffs/scratches/signs of usage. Unless stated otherwise...(March 1st, 2025)
• Moore 16195-1 Idm Input Discrete Module 115 230vac Used (29.8% similar) This item is sold as used, working with 30 day warranty. Moore idem input discrete module 115/230VAC 16195-1 used. Has some scuffs/scratches/signs of usage...(March 26th, 2025)
• Moore Thz prg 4-20ma 12-42dc vtb Used Smarthart Temperature Transmitter (44.3% similar) Enclosure type: DH2NG. Location: Belgium, WI 53004, item no. Serial#: 1703808. Moore Industries temperature transmitter brand. Condition: used. Type: smart hart. Model #: THZ/PRG/4-20MA/12-42DC/-VTB...(April 9th, 2025)
• Moore Industries Ect 4-20ma 2x4-20ma 24dc--tx Signal Isolator Converter Splitter Ect 4-20ma 2x4-20ma 24dc (63.4% similar) Orders put in before 8 am will go out same day, placed after the next day. Located A-3 Jenna Moore Industries signal isolator converter splutter...(April 15th, 2025)
• Moore Industries 52547u 535 Process Controller 535-21120b0000 (41.7% similar) Specifications. Manufacturer: Moore Industries. Warranty: 1 year. Condition: used. Product: process controller. Part#: 535-21120B0000...(May 6th, 2025)
• Moore Industries 3-fa3-so Svx 3-fa3-s0 24dc Dim (45.3% similar) Shipped with ups ground. Location: box 1189. STX solenoid valve 3-FA3-S0 24DC dim, 10-100PSIG...(June 10th, 2025)
• Moore Industries Six 4-20ma 4-20ma 12-42dc Signal Isolator Used (86.9% similar) Condition: used item - all used products are guaranteed to be working but may show signs of use. Is Moore Industries SIX/4-20MA/4-20MA/12-42DC not the part you are wanting. Shipping: shipping cost: is quoted as part of the sale. For example, programmable logic controllers plc's, distributed control ...(July 22nd, 2025)
• Moore 16187-1-1 Vim Voltage Input Module Termination Strip Used (29.5% similar) Has some scuffs/scratches/signs of usage. Unless stated otherwise. Shipping this item via UPS's or FedEx. Moore vim voltage input module 16187-1-1 termination strip used.this item is sold as used, working with 30 day warranty. Orders paid by 12 noon central time ship the same day...(September 19th, 2025)