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PR Electronics Universal f/I-f/f Converter Frequency/Current Converter, Relay Output, DIN Rail 253V/300V 2.3kV 4225B
Specifications
| Country of Origin | Denmark |
|---|---|
| Brand | PR Electronics |
| Model | 4225B |
| IP Rating | IP20 |
| Mount Type | DIN Rail |
| Isolation | 2.3kV ac |
| Series | Universal f/I-f/f converter |
| Temperature Coefficient | 0.006% / °C |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -20°C |
| Terminal type | Screw |
| Supply Voltage | 253, 300V |
| Input Signal Type | Frequency, Current |
| Standards/Approvals | UKCA, CE |
| Output Signal Type | Relay |
| Programmable Trigger Level | -0.05 to 6.5 V |
| Sensor Supply | 5 to 17 V |
Key Features
- Universal frequency and current input signal capability.
- Relay output supports diverse signal processing needs.
- Galvanic isolation rated at 2.3kV AC for enhanced safety.
- DIN rail mounting facilitates easy installation.
- Programmable trigger levels from -0.05 to 6.5 V.
- Sensor supply range from 5 to 17 V.
- Supports NAMUR, NPN, PNP, tacho, TTL & S0 inputs.
- Accuracy less than 0.06% per span, ensuring high precision.
Product Description
PR Electronics 4225B Universal f/I-f/f converter is an advanced industrial module engineered for the conversion of frequency and current signals to relay output. This model excels in applications where reliability, precision, and versatility are crucial, such as factory automation, process engineering, and signal conditioning tasks.
Universal signal inputs support both frequency and current types, maximizing compatibility with sensors and remote monitoring devices. Relay output enables integration with alarms, control systems, or actuation mechanisms.
2.3kV AC galvanic isolation provides high-grade protection against electrical surges and ensures signal integrity across interfaces. Mounts securely onto a DIN rail, optimizing installation efficiency in control panels and automation enclosures.
Broad supply voltage range adapts to both AC and DC systems: 21.6 - 253 VAC and 19.2 - 300 VDC. Programmable sensor supply allows optimal power for attached sensors (5 - 17 V). Trigger levels can be set between -0.05 to 6.5 V, allowing precise signal threshold customization.
Compatible with multiple input types, including NAMUR, NPN, PNP, tacho, TTL, and S0, making it ideal for a variety of sensors and process instruments. Accuracy less than 0.06% of span guarantees reliable measurements and feedback.
IP20 rated enclosure, screw terminals, and operation up to 60°C ambient provide robust performance in demanding environments.
This converter is widely used in industrial, laboratory, manufacturing, and process control systems - where conversion of measured signals to relay actuation is needed for safety, automation, or monitoring. The device is front-programmable and may operate continuously mounted alongside other modules on standard rails, with no air gap required, at high ambient temperatures.
Designed for industrial signal conditioning, electronics testing, water treatment, process control, and automation panels. Its flexible input/output programming enhances system reliability and measurement efficiency.
Explore more precision signal conditioning and automation solutions in the EnvMart "Converters" category featuring PR Electronics and other leading brands.
Explore more products in our Signal Conditioners category.
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Frequently Asked Questions
This model supports both frequency and current input signals, maximizing compatibility with various sensors and remote monitoring devices.
The maximum operating temperature for this unit is 60°C, ensuring it can function effectively in demanding environments.
It provides a relay output signal, enabling integration with alarms, control systems, or actuation mechanisms.
The unit features a galvanic isolation rating of 2.3kV AC, providing protection against electrical surges and ensuring signal integrity.
The programmable trigger levels can be set between -0.05 to 6.5 V, allowing for precise signal threshold customization.
It can operate with a supply voltage range of 21.6 - 253 VAC and 19.2 - 300 VDC, making it adaptable to both AC and DC systems.
The converter has an IP20 rating, which indicates protection against solid objects larger than 12.5 mm, but it is not rated for water exposure.
The temperature coefficient is 0.006% per °C, which helps maintain accuracy across varying temperatures.
The minimum operating temperature for this model is -20°C, allowing it to function in lower temperature environments.
It is designed for DIN rail mounting, which facilitates easy installation in control panels and automation enclosures.
This model complies with UKCA and CE standards, ensuring it meets specific safety and performance requirements.
The sensor supply voltage range is from 5 to 17 V, allowing optimal power for attached sensors.
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