Reliance Transfer Switch Review: Models Compared

Reliance Controls is the go-to brand for manual transfer switches, offering excellent quality at competitive prices. Their Pro/Tran 2 series is the most popular choice for portable generator owners. Here’s our complete review of every Reliance model.

Reliance Transfer Switch Lineup

Model	Amps	Circuits	Kit Included	Price Range
310CRK	30A	10	Complete Kit	$280-$350
306LRK	30A	6	With Inlet	$170-$220
510CRK	50A	10	Complete Kit	$350-$420
306A	30A	6	Switch Only	$150-$190
310A	30A	10	Switch Only	$220-$280

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Best Overall: Reliance 310CRK

The Reliance 310CRK is our top recommendation for most homeowners. This complete kit includes everything you need to safely connect a portable generator to your home.

Why It’s Our Top Pick

The 310CRK stands out for several reasons:

1. Complete Kit: Unlike “switch only” models, you get the inlet box and cord included
2. Watt Meters: Built-in meters help you monitor your load and avoid overloading
3. 10 Circuits: Enough for refrigerator, furnace, well pump, sump pump, and key lights
4. Proven Reliability: Thousands of 5-star reviews over many years

What Owners Say:

“Installation was straightforward with the included instructions. The watt meters are incredibly useful for managing loads during an outage.” - Verified Buyer

Pros:

• Complete kit—everything included
• Built-in watt meters
• 10 circuits covers most needs
• Excellent documentation
• 5-year warranty

Cons:

• Indoor installation only
• 30A may limit larger generators
• Manual operation required

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Best Budget: Reliance 306LRK

The Reliance 306LRK offers the same Reliance quality at a lower price. If you only need 6 circuits, this is an excellent choice.

6 Circuits Can Power:

• Refrigerator
• Furnace/boiler
• Well pump or sump pump
• 2-3 lighting circuits

Pros:

• Lowest price for a quality kit
• Compact size
• Same 5-year warranty
• Includes inlet box

Cons:

• Only 6 circuits
• No watt meters
• No power cord included

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Best 50 Amp: Reliance 510CRK

For larger generators (8,000+ watts), the Reliance 510CRK provides 50-amp capacity. This is essential if you want to power 240V appliances like well pumps, central AC, or electric dryers.

When You Need 50 Amps:

• Generator is 8,000+ watts
• You need to power 240V circuits
• You want maximum capacity

Pros:

• Full 50A capacity (12,500W)
• Powers 240V appliances
• Same great Pro/Tran 2 design
• Complete kit

Cons:

• Higher price
• Requires 50A generator outlet
• Larger inlet box

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Switch-Only Models

If you want to buy the inlet box separately or already have one, Reliance offers switch-only options:

Reliance 306A

Reliance 310A

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Reliance Accessories

Power Inlet Boxes

Model	Amps	Type	Link
PB30	30A	Standard	Check Price
PB50	50A	Standard	Check Price
PBN30	30A	Non-metallic	Check Price

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How to Choose Your Reliance Model

Step 1: Determine Your Amperage

Generator Size	Recommended
3,000-7,500W	30 Amp
7,500W+	50 Amp

Step 2: Count Your Circuits

Make a list of what you must power:

• Refrigerator ✓
• Furnace ✓
• Well pump ✓
• Sump pump ✓
• Lights (2-3 circuits) ✓
• Garage door ✓

If more than 6 items, get a 10-circuit model.

Step 3: Kit or Switch Only?

• First time? Get a kit (CRK models)
• Already have inlet? Switch only (A models)

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Reliance vs. Generac Manual Switches

Feature	Reliance Pro/Tran 2	Generac Home Link
Price	Lower	Higher
Watt Meters	Yes (on CRK models)	No
LED Indicators	No	Yes
Warranty	5 years	3 years
Upgrade Path	No	Yes (to ATS)
Complete Kits	Yes	Limited

Our Take: For most portable generator owners, Reliance offers better value. The built-in watt meters are more useful than LED indicators, and the 5-year warranty provides peace of mind.

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Frequently Asked Questions

Frequently Asked Questions

Is Reliance Controls a good brand?

Yes, Reliance Controls is one of the most trusted names in residential transfer switches. They've been manufacturing transfer switches for over 40 years and are known for quality, reliability, and excellent customer support.

What's included in a Reliance transfer switch kit?

Most Reliance kits include the transfer switch panel and installation hardware. The 'K' models (like 310CRK) include a complete kit with inlet box and power cord. The 'A' models (like 306A) include only the switch panel.

Can I install a Reliance transfer switch myself?

While Reliance switches come with detailed instructions, we recommend hiring a licensed electrician. Most jurisdictions require permits and professional installation for electrical work involving your main panel.

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The Bottom Line

For most homeowners: The Reliance 310CRK offers the best combination of features, quality, and value. The complete kit makes installation simpler, and the watt meters are genuinely useful.

On a budget? The Reliance 306LRK delivers the same Reliance quality with fewer circuits.

Have a large generator? The Reliance 510CRK gives you 50-amp capacity for maximum power.