PARAGON

PARAGON is a brand of electromechanical defrost timers and HVACR controls, manufactured by a company with a long history in the industrial timing and control market. The brand is recognized for its robust, mechanical defrost control timers used in commercial refrigeration, walk-in coolers, freezers, and heat pump systems. PARAGON products are designed to provide reliable, repeatable defrost cycles without reliance on electronic components, making them suitable for environments where simplicity and durability are prioritized. The product line includes both enclosed and non-enclosed (OEM-style) timer switches, with maximum cycle times ranging from 15 minutes to 8 hours, and voltage ratings covering 120V AC, 208/240V AC, and 120-240V AC. Typical switch configurations include SPDT-NO/NC, SPDT-NO/2NC, and 2NO/1NC, with current ratings up to 15 A. Enclosed models feature protective housings for direct installation in refrigeration units, while non-enclosed versions are intended for integration into OEM equipment panels. PARAGON timers are built to standard industrial specifications, with mechanical drives that operate independently of external power for timing accuracy. 3G Electric supplies a range of PARAGON defrost timers, including models such as the 8145-20M, A1402-00, 8145-20, 8141-20, 8045-20, 8145-AV, 8041-20, and 8143-00. These are available for procurement by plant engineers, maintenance managers, and procurement specialists who require replacement or original equipment timers for refrigeration systems. 3G Electric supports the line with global logistics, ensuring that PARAGON timers can be sourced for facilities worldwide, with technical specifications provided to facilitate correct selection based on voltage, cycle time, and contact configuration.

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BrandPARAGON

CategoryEnclosed Digital Defrost Timer Switches

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About PARAGON

Common Applications

Commercial walk-in coolers — PARAGON 8145-20 defrost timer for 110-minute cycle control
Supermarket freezer cases — PARAGON 8045-20 enclosed timer for defrost heater switching
Heat pump defrost control — PARAGON A1402-00 timer with 8-hour cycle for outdoor coil
OEM refrigeration panels — PARAGON 8145-20M non-enclosed timer for equipment integration
Industrial cold storage — PARAGON 8141-20 timer with dual NC contacts for fail-safe defrost
Ice machine defrost cycles — PARAGON 8145-AV timer with 15-minute cycle for rapid defrost

Frequently asked questions

Common questions about PARAGON from 3G Electric.

What is the typical application for PARAGON defrost timers like the 8145-20M?

PARAGON defrost timers such as the 8145-20M are used in commercial refrigeration systems to control defrost cycles. The mechanical timer initiates a defrost period at set intervals—110 minutes maximum cycle time for this model—and switches the compressor off while energizing heaters. The SPDT-NO/NC contacts allow for both normally open and normally closed switching, suitable for systems requiring separate control of defrost heaters and compressor operation.

What is the difference between enclosed and non-enclosed PARAGON defrost timers?

Enclosed PARAGON defrost timers, such as the 8145-20, come with a protective housing that allows direct mounting on refrigeration equipment or walls. Non-enclosed models, like the 8145-20M, are designed for OEM integration into control panels or equipment where the timer is housed within the system. Both types offer the same mechanical timing mechanism and contact configurations, but the enclosed version provides additional protection against dust and physical damage.

Can PARAGON timers like the A1402-00 be used in heat pump systems?

Yes, PARAGON timers such as the A1402-00, with an 8-hour maximum cycle time and SPDT contacts, are suitable for heat pump defrost control. In heat pump applications, the timer initiates a defrost cycle to remove ice buildup on outdoor coils. The 120V AC rating and 15 A current capacity make it compatible with typical heat pump control circuits, though verification of voltage and load requirements is recommended.

What voltage options are available for PARAGON defrost timers from 3G Electric?

3G Electric stocks PARAGON defrost timers in multiple voltage ratings: 120V AC (e.g., models A1402-00 and 8143-00), 208/240V AC (e.g., models 8145-20, 8141-20, 8045-20, 8041-20), and 120-240V AC (e.g., model 8145-AV). This range covers common commercial and industrial power supplies, allowing selection based on facility voltage.

How do I select the correct PARAGON timer for my refrigeration system?

Selection depends on three factors: voltage, maximum cycle time, and contact configuration. For example, a system requiring a 110-minute defrost cycle at 208/240V AC with SPDT-NO/NC contacts would use the 8145-20. If the system needs two normally closed contacts, the 8141-20 (SPDT-NO/2NC) is appropriate. Always match the timer's voltage rating to the control circuit and ensure the current rating (typically 15 A) exceeds the load.

Are PARAGON defrost timers compatible with OEM refrigeration equipment?

Yes, many PARAGON timers are designed as OEM-style replacements. Non-enclosed models like the 8145-20M are intended for direct integration into equipment panels, while enclosed models can replace existing timers in field-installed systems. The mechanical design ensures compatibility with standard refrigeration control circuits, but verifying the mounting dimensions and wiring diagram against the original timer is advised.