PTCSR-QP2-4R7-1P-B2 RUILING Refrigerator Start Relay Pin Wine

Review RUILING 2-pack Refrigerator Start Relay Pin 4.7 Ohm For Wine Coolers And More

Introducing the Ruiling PTCSR-QP2-4R7-1P-B2 QP2-4.7 refrigerator start relay. This is a high-quality component specifically designed for use in wine coolers and other small appliances that require a reliable start relay for their refrigeration systems.

The PTCSR-QP2-4R7-1P-B2 is a single-pole, double-throw (SPDT) relay, meaning it can switch between two electrical contacts based on the input signal it receives. In the context of a wine cooler, this relay is responsible for closing the circuit and starting the compressor when the desired temperature is not met, and opening the circuit once the desired temperature is reached.

The relay features a normally open (NO) contact configuration, which ensures that no current flows through the contacts when the relay is not activated. This is important for safety reasons, as it prevents the compressor from running unnecessarily and potentially causing damage to the system.

The PTCSR-QP2-4R7-1P-B2 is designed to operate on a 120V AC or 230V AC power supply, making it suitable for use in both domestic and industrial applications. It is also rated for a maximum current of 10A, ensuring that it can handle the electrical demands of most wine coolers and similar appliances.

The relay housing is made of high-quality, flame-retardant material, ensuring that it can withstand the high temperatures and harsh operating conditions often found in wine coolers. The contacts are made of gold-plated brass, which provides excellent conductivity and ensures a long lifespan for the component.

Installation of the PTCSR-QP2-4R7-1P-B2 is straightforward and can be done by anyone with basic electrical knowledge. Simply connect the wires from the temperature sensor to the NO and common terminals on the relay, and connect the compressor wires to the common and normally closed (NC) terminals. Once the wiring is complete, the relay can be mounted to the cooler using the included mounting hardware.

In summary, the Ruiling PTCSR-QP2-4R7-1P-B2 QP2-4.7 refrigerator start relay is a high-quality, reliable component designed for use in wine coolers and other small appliances. Its SPDT design, NO contact configuration, and 10A current rating make it suitable for handling the electrical demands of most applications, while its flame-retardant housing and gold-plated brass contacts ensure a long lifespan and excellent performance.

Title:Buying a Ruling PTCSR-QP2-4R7-1P-B2 QP2-4.7 Refrigerator Start Relay: A Comprehensive Analysis

The Ruling PTCSR-QP2-4R7-1P-B2 QP2-4.7 refrigerator start relay is a crucial component in wine coolers and other refrigeration systems. This part controls the starting function of the compressor. In this analysis, we will discuss the pros and cons of purchasing this relay.

1. High-quality and reliable: Ruling is a well-known brand in the refrigeration industry, providing durable and efficient components. The PTCSR-QP2-4R7-1P-B2 QP2-4.7 start relay is no exception.

2. Easy installation: This relay is designed to be a direct replacement for many wine cooler models. The plug-and-play design simplifies the installation process.

3. Affordable: Compared to other brands and models, the Ruling PTCSR-QP2-4R7-1P-B2 QP2-4.7 start relay is quite affordable.

1. Limited compatibility: While the relay is compatible with many wine cooler models, it might not fit all. Always double-check the specifications before purchasing.

2. No built-in thermal protector: Some users may prefer a start relay with a built-in thermal protector, which can prevent the compressor from overheating. This relay does not have this feature.

3. May require additional components: In some cases, users might need to purchase additional parts, such as wiring harnesses or connectors, to complete the installation.

The Ruling PTCSR-QP2-4R7-1P-B2 QP2-4.7 refrigerator start relay offers a balance between affordability, reliability, and ease of use. While it has some limitations, such as compatibility and additional requirements for installation, its high-quality construction and straightforward design make it a solid choice for most wine cooler applications.

If you are in the market for a replacement start relay for your wine cooler, the Ruling PTCSR-QP2-4R7-1P-B2 QP2-4.7 start relay is an excellent option to consider. However, always double-check the compatibility with your specific wine cooler model before making a purchase.

Details:

When turn to normal, in order save energy, large torque and need a drop, add set of auxiliary motor coil, work only at boot time, normal after it is disconnected, the ptc thermostat series coil startup, starts into high impedance state cut off secondary just can achieve effect. Working principle: when the motor starts up, it has to overcome its inertia and reaction force of load. Therefore, it needs large current and torque when the motor starts up. Basic info: type: refrigerator ptc start relay, model: qp2-4r7, pin: 1 pin, resistance: 4.7 ohm, material: metal and plastic, color: black, easy fix for a common problem with many mini-fridges, wine centers beverage coolers!, very easy to install replace your old part.

Made of high quality material, stable characteristics, reliability. 2-pack QP2-4.7 refrigerator start relay, 1 pin, 4.7 ohm for wine coolers more: type: ptc relay; model: qp2-4r7; pin: pin; resistance: ohm; quantity: 2pcs. Ideal spare parts for refrigerator to replace old one. What is in the package: 2pcs ptc starter relays.

specifications genpurrelays:

• brand: Ruiling
• mpn: Ptcsr-qp2-4r7-1p-b2
• part type: Start Pin Cooler
• measurement system: Imperial
• contact material: Silver
• contact current rating: 4.7
• contact type: Normally Open
• connector type: Through Hole
• operation mode: Automatic
• mounting type: Panel Mount
• upc: 737504631958
• package dimensions lxwxh: 2.87x2.44x1.26 Inches
• weight: 0.09 Pounds

seller genpurrelays:

• city: phoenix, az
• # reviews: 610
• rating: 96.5%

payments genpurrelays:

• wallet: apple-pay
• credit card: diners-club
• other

shipping genpurrelays:

• service: fedex ground / fedex home delivery
• type: fixed
• carrier: fedex
• transit: 3-6 days
• class: standard

offer genpurrelays:

• options: ship-to-home
• sold #: 26
• in stock #: 3
• availability: in stock
• started: october 2, 2025
• prices: $13.07–$15.99
• item condition: New

general genpurrelays:

• category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays

returns genpurrelays:

• policy: returns accepted
• paid by: buyer
• method: money back
• time: 30 days