IMO TRUE DC Solar Isolator 2 String 65A SI65-PEL64R-4

IMO TRUE DC Solar Isolator 2 String 65A SI65-PEL64R-4

Regular price $349.08
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IMO TRUE DC Solar Isolator 2 String 65A SI65-PEL64R-4

IMO TRUE DC Solar Isolator 2 String 65A SI65-PEL64R-4

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MPN No: SI65-PEL64R-4
Regular price $349.08

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Regular price $349.08

IMO TRUE DC Solar Isolator  2 String 65A SI65-PEL64R-4

The SI65-PEL64R-4 is a 65 A, 4-pole enclosed DC solar isolator with a lockable rotary handle (IP67/NEMA 4X). Built on IMO’s TRUE DC architecture with operator-independent snap action and knife-edge contacts, it delivers fast arc suppression and reliable disconnection for high-power PV arrays up to 1500 Vdc.

Key Benefits

High Voltage/Current: Up to 65 A ratings across PV voltages when wired 4-poles-in-series, supporting modern 1000–1500 Vdc arrays. 

Safety by Design: Snap-action mechanism with built-in arc chambers (≈3–5 ms typical arc suppression) and knife-edge contacts for low, stable resistance. 

Weather-Tight Enclosure: Lockable rotary handle enclosure rated IP67 / NEMA 4X for harsh outdoor sites. :

Special Technology

TRUE DC Switching: Operator-independent mechanism ensures rapid make/break regardless of handle speed; polarity-independent design. 

Flexible Pole Configurations: Supports 2, 4, 6, and 8-pole arrangements (this model: 4-pole), including 4S/4B/4T series wiring for higher voltage isolation. 

Warranty

Manufacturer’s standard IMO warranty.

Best Uses

Residential & Commercial PV: String or array isolation at the inverter/combiner for 1000–1500 Vdc systems.

Outdoor Installations: Sites requiring sealed, lockable isolation (IP67/NEMA 4X).

Specifications Table

Specification Data
Model SI65-PEL64R-4
Product Type Enclosed DC Solar Isolator, Lockable Rotary Handle
Poles 4-pole (supports series wiring 4S/4B/4T for high-voltage PV)
Rated Current (base series) 65 A (SI65 family)
Typical DC-PV1 Ratings (IEC 60947-3) Up to 65 A through 500–1500 Vdc when 4 poles in series (SI65). 
UL508i DC Ratings SI65 listed across 350–1000 Vdc in series/parallel configurations (see SI65 rows). 
Utilization Categories DC-PV1 / DC-PV2, DC-21B/22B (per tables)
Enclosure / Protection IP67 (front) / NEMA 4X, lockable rotary handle
Operating Temperature Enclosed (PEL64R): −40 °C to +45 °C
Standards & Approvals IEC/EN 60947-1/-3, UL 60947-1/-4-1, UL508i, CE, RCM (SI65 no CCC). 
Terminal Ranges M5 terminals, typical torque 22–25 lb-in; conductor ranges per table. 
Notes Derating curves and detailed wiring diagrams provided in SI guide; select pole configuration to match system voltage/current.

 

About IMO:

IMO is a global manufacturer of high-quality electrical and automation products. With decades of experience, IMO provides reliable components such as solar isolators, relays, contactors, and control solutions designed for safety, performance, and efficiency across industrial, commercial, and renewable energy applications.

Why Buy From US Solar Supplier?

As an American founded company out of Kentucky, US Solar Supplier is committed to providing top-quality solar products, backed by the world’s leading manufacturers. Our promise is to get you the fairest price from the best brands that offer warranties you can count on. We are updating our inventory daily with solar components that offer the latest technology. With a reputation for excellence and a dedication to customer satisfaction, we ensure that every product we sell meets the highest standards in the industry.

Need Assistance?
We’re here to help! If you have any questions or need more information before making your purchase, don’t hesitate to call us at 1-800-230-7004. Our knowledgeable and friendly team is ready to assist you with product details, installation advice, or the purchasing process.

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Join the many satisfied customers who have trusted us for their solar needs. Add to your cart now to secure your high-efficiency solar panels and take the next step towards sustainable energy!

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