Products Description
| Product Name | Yk 664-49995-000 Current Isolation Transmitter Base |
| Model | 664-49995-000 |
| Applicable Industries | Construction and Commercial |
| Application | Refrigeration compressor |
| Packaging | Cardboard Box |
| MOQ | 1 Piece |
Core Product Advantages:
High-voltage isolation between power and control circuits; prevents high-voltage breakdown of the main controller (Core Function)
A dual-layer, thickened insulation barrier completely separates high-amperage (hundreds of amperes) power busbars from 5V low-voltage sensing circuits. This prevents busbar insulation failure or leakage from damaging the controller’s input ports, significantly reducing repair costs associated with controller board burnout.
Electromagnetic interference (EMI) resistance; precise current sensing with zero drift
An isolated internal chamber shields against alternating magnetic fields from power busbars, preventing interference from variable frequency drive (VFD) harmonics or magnetic surges during motor startup. This ensures stable current readings and eliminates random fault alarms caused by motor current fluctuations.
UL94-V0 flame-retardant material; ensures electrical fire safety in equipment rooms
The material does not spontaneously combust or drip molten matter when exposed to high temperatures or electric arcs. It is suitable for the high-heat operating conditions of VFD cabinets, effectively eliminating fire hazards in the electrical control system.
Integrated snap-fit design; enables rapid installation, removal, and emergency servicing of current sensors
The base remains permanently fixed to the mounting rail. Servicing or replacing the sensor requires neither removing the base nor disconnecting the busbars or power supply; a single technician can complete the replacement in five minutes, minimizing system downtime.
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Technical parameter
Company Profile
Factory Profile
| Q1:For refrigeration industry, which brands are your products covering? | A1:We produce filter element replacements for brands like,Bitzer, Carrier, Yk, McQuay, Trane, etc… |
| Q2:Does the price include freight? | A2:The quotation is usually the factory price. We can recommend the most economical logistics plan and calculate the freight according to your destination and quantity. |
| Q3:How to ensure product quality? | A3:We have a strict quality control process, and we will carry out multiple inspections before the products leave the factory to ensure that they meet the standards. |
| Q4:Why choose us? | A4:Product reliability: We are a professional manufacturer . can offer high-quality products at the most competitive prices. Technical support: We provide technical assistance. Industry experience: We have over 10 years of experience in the refrigeration equipment service field. After-sales service: We offer professional after-sales service. Team collaboration: We have a professional team that can provide you with prompt services and delivery schedules. |
Common product failures:
Main controller frequently reports motor current faults; current readings fluctuate erratically or become distorted
Missing insulation barriers or damaged bases allow magnetic interference from power busbars to affect current transformer signals, causing wild value fluctuations and triggering random load-limiting shutdowns.
High-voltage busbar leakage causes dielectric breakdown at the main controller’s data acquisition port
Cracks in the base insulation allow the high-voltage busbar to contact low-voltage signal lines; a short circuit in the 5V acquisition loop burns out the Quantum main control board, resulting in high repair costs.
Loose or misaligned current transformer installation causes busbar insulation wear
Broken base clips allow the current transformer to wobble and rub against the copper busbar’s insulation; over time, this leads to busbar-to-ground short circuits and blows fuse 025-39681.
Oil and dust accumulation inside the electrical cabinet triggers tracking-induced short circuits
Damage to the base’s dust-proof rim allows oil mist and dust to accumulate on the insulation barrier, creating a conductive path that causes leakage-induced tripping.
High-temperature softening and deformation of the base result in a loss of insulation protection
Non-flame-retardant or damaged bases soften under prolonged heat exposure, causing insulation failure and creating a fire hazard within the electrical cabinet.
