Insulated In-Line Splice 6 AWG–350 MCM | Polaris ISR-350 Equivalent
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SKU: 210-61003
35 in stock
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Insulated electrical multi-tap connector (Polaris-type). This insulated in-line splice accepts 6 AWG–350 MCM conductors with insulated in-line splice/reducer — join or reduce conductors end-to-end. Dual-rated AL9CU tin-plated aluminum body, UV-resistant insulated housing, 600V, 90°C, UL 486B listed. Set-screw termination for copper or aluminum conductors — panels, gutters, wireways, solar combiners, and service taps. Direct cross-reference for ISR-350 and other major brands below.
FREQUENTLY ASKED QUESTIONS
What wire sizes does this connector accept?
It accepts 6 AWG–350 MCM copper or aluminum conductors (dual-rated AL9CU).
Is this a direct replacement for ISR-350?
Yes — same conductor range, port count, and entry style as ISR-350, with 600V/90°C rating and UL 486B listing. See the full cross-reference table on this page.
What torque and installation method does it use?
Set-screw (hex) termination. Strip to the barrel depth, insert fully, and torque per the marking on the connector body. No special tooling or dies required.
Why Pros Buy Direct from Conversions Tech
Engineered in the USA. Our U.S.-based engineering team designs and specifies our core product lines, and every product we carry — designed in-house or built to our exact specifications by certified partner factories — is quality-verified before it ships. UL/CSA listed where required, NEC compliant.
Cross-reference savings. Direct equivalents to Burndy, Hubbell, and other OEM part numbers at up to 30% less — same specs, same certifications, without the big-brand markup.
Real technical support. Need a torque spec, die reference, or an OEM quote? You’ll speak directly with the Conversions Tech engineering desk — not a script reader — for instant answers, custom kitting, and private-label options.
Fast US fulfillment. Orders in by 2PM ET ship same day from our US warehouse, nationwide ground and expedited.
