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Panduit Pan-Lug™ SA4-CR Aluminum Compression Splice, 4 AWG
The Panduit Pan-Lug™ SA4-CR is a thick-wall aluminum compression splice engineered for joining 4 AWG aluminum conductors in medium-voltage electrical systems. Built from high-conductivity aluminum and tin-plated to inhibit corrosion, this splice is UL Listed and CSA Certified to 35 kV and temperature rated to 90°C when crimped with Panduit or specified competitor crimping tools and dies. The barrel comes factory pre-filled with joint compound and sealed with an easy pull-out end plug, keeping the connection corrosion-free until installation.
Key Features
- Conductor Size: Designed for 4 AWG aluminum conductors.
- Durable Construction: High-conductivity thick wall aluminum body for reliable, long-lasting connections.
- Tin-Plated Finish: Inhibits corrosion at the connection point over the life of the splice.
- Factory Pre-Filled Joint Compound: Sealed with an easy pull-out end plug to keep the compound clean and corrosion-inhibiting until crimping.
- Die Index Marking: Panduit and specified competitor die index numbers marked directly on the barrel (T & B Die Index 37, Burndy Die Index 375) for proper crimp die selection.
- Internal Solid Stop: Prevents over-insertion of the conductor for a consistent, repeatable crimp.
- Non-Insulated: Bare aluminum splice body for applications requiring separate insulation.
- Wire Strip Length: 7/8" strip length for proper conductor preparation.
Certifications & Compliance
- UL Listed to 35 kV, 90°C Temperature Rating
- CSA Certified to 35 kV, 90°C Temperature Rating
- RoHS Compliant
Technical Specifications
- Aluminum Conductor Size: 4 AWG
- Base Material: Aluminum
- Finish/Coating: Tin-Plated
- Insulation Material: Non-Insulated
- Maximum Voltage (kV): 35
- CSA Temperature Rating (°C): 90
- UL Temperature Rating (°C): 90
- Wire Strip Length (In.): 7/8
- T & B Die Index Number: 37
- Burndy Die Index Number: 375
- Color Code: Green
- Overall Length (In.): 1.88
- Std. Pkg. Qty.: 100 Piece
- Std Ctn Qty: 400
- Country of Origin: India
- REACH Status: N
- California Pro65 Cancer: N
- Mercury Content Indicator: N
Typical Applications
- Electrical Substation and Utility Splicing
- Aluminum Conductor Terminations
- Industrial and Commercial Power Distribution
- Medium-Voltage Cable Systems up to 35 kV
- Underground and Overhead Conductor Splicing
Why Panduit?
Panduit's Pan-Lug™ SA4-CR combines thick-wall aluminum construction, tin-plated corrosion resistance, and a factory pre-filled, sealed joint compound to deliver a dependable, code-compliant splice for aluminum conductor systems. With UL Listing and CSA Certification to 35 kV and a 90°C temperature rating, plus clearly marked die index numbers for correct crimp tool selection, the SA4-CR is built for consistent, professional-grade electrical connections.
Manufacturer Resources
Product Specs
- Standard Package Volume Ft3:
- 0.0191
- Standard Package Weight Pounds:
- 3.7000
- Aluminum Conductor Size:
- 4 AWG
- REACH Status:
- N
- Std. Pkg. UOM:
- Piece
- Base Material:
- Aluminum
- Std Carton Length In:
- 15.25
- CSA Temperature Rating (°C):
- 90
- California Pro65 Cancer:
- N
- Std Carton Height In:
- 4.25
- Std Package Length In:
- 7.25
- Maximum Voltage (kV):
- 35
- Finish/Coating:
- Tin-Plated
- Overall Length (mm):
- 47.8
- UL Temperature Rating (°C):
- 90
- Standard Carton Volume Ft3:
- 0.0763
- Color Code:
- Green
- Mercury Content Indicator:
- N
- Std Package Length MM:
- 184.15
- Std Carton Width In:
- 11.5
- Sub Brand:
- Pan-Lug™
- Std Ctn Qty:
- 400
- Wire Strip Length (In.):
- 7/8
- Product Type:
- Compression Splice
- GTIN Carton:
- 50613056858188
- Std Carton Height MM:
- 107.95
- Std Package Width MM:
- 136.652
- Pallet Quantity:
- 0
- Std Package Height In:
- 3.38
- Standard Carton Weight Pounds:
- 14.8000
- Std Package Height MM:
- 85.852
- Min Order Qty:
- 1.0000
- RoHS Compliant:
- Compliant
- GTIN Package:
- 00613056858183
- Min. Order UOM:
- Piece
- Std. Pkg. Qty.:
- 100
- T & B Die Index Number:
- 37
- Overall Length (In.):
- 1.88
- Std Carton Length MM:
- 387.35
- Std Carton Width MM:
- 292.1
- UOM EA PK:
- PK
- Burndy Die Index Number:
- 375
- Pallet Volume:
- 0.000000
- Std Package Width In:
- 5.38
- Hazardous Material Flag:
- N
- Any Reason Not to Sell:
- N
- Insulation Material:
- Non-Insulated
- Wire Strip Length Mm:
- 22.2
- Department:
- Electrical
- Product Group:
- Wire Connectors & Terminals
- Product Subgroup:
- Splice Kits
Panduit SA4-CR – Frequently Asked Questions
1) Can the Panduit SA4-CR splice be used on 4 AWG copper conductors, or aluminum only?
The SA4-CR is an aluminum-bodied splice rated for 4 AWG aluminum conductors only. It is not a dual-rated AL9CU connector, so do not use it on copper or for aluminum-to-copper transitions. For a dual-rated aluminum splice, the NSi Industries ASC-T series dual-rated aluminum compression splice (AL9CU) covers both metals; for straight copper work, NSi's tinned copper SC short barrel or C long barrel splices are the copper equivalents.
2) Is this splice rated for medium-voltage cable up to 35kV?
Yes. The Pan-Lug SA4-CR carries a UL Listing and CSA Certification to 35 kV with a 90 C temperature rating on both, which is what makes it acceptable for substation, utility, and underground or overhead medium-voltage aluminum conductor splicing. It is also RoHS compliant.
3) How far back do I strip the conductor before crimping this aluminum splice?
Strip 7/8 inch (22.2 mm) of insulation off each conductor end. The barrel has an internal solid stop, so the conductor bottoms out at the center and you get the same insertion depth on both sides every time. Overall barrel length is 1.88 inches (47.8 mm), which is your reference for centering the splice and for sizing any insulating tape or sleeve over it.
4) Do I need to apply joint compound, or is it already in the barrel?
No compound to add. The SA4-CR barrel ships factory pre-filled with joint compound and sealed with a pull-out end plug, so the inhibitor stays clean until you pull the plug and insert the conductor. That is the corrosion protection on the aluminum-to-aluminum contact surface; the tin plating handles corrosion on the outside of the body.
5) What can I use instead of the Panduit SA4-CR if the splice has to land on a copper conductor?
The Panduit SA4-CR is an aluminum-bodied splice for aluminum conductors. For copper, NSi offers tinned copper compression splices in two barrel styles: the C series long barrel (NSi C30) and the SC series short barrel (NSi SC-4). Long barrel gives you more crimp area per side; short barrel fits tighter enclosures and pull boxes. Both are copper-specific, so they are not a substitute where an aluminum conductor is being joined.
6) Is there an aluminum compression splice that also accepts copper, instead of the aluminum-only Panduit SA4-CR?
Yes. The NSi ASC-T series dual-rated aluminum compression splice is AL9CU rated, so it can be used on either aluminum or copper conductors. The Panduit Pan-Lug SA4-CR is specified for 4 AWG aluminum conductors. If you are splicing a mix of conductor metals across a job and want one part number on the truck, the dual-rated ASC-T style is the direction to look; if the run is all aluminum, the SA4-CR covers it.
7) Does this splice come insulated, or do I have to tape it up?
It is a non-insulated bare splice body. You supply the insulation, whether that is tape, a heat-shrink sleeve, or a cold-shrink kit sized to the 1.88 inch barrel and the cable OD. If you need a pre-insulated connector, this is not it.
8) Should I use a compression splice or a mechanical set-screw connector for a 4 AWG aluminum splice?
A compression splice like the SA4-CR is the choice where the joint is buried, direct-buried, or on medium-voltage cable to 35 kV, because the crimp is permanent, the barrel is pre-filled with inhibitor, and there is no torque to re-check over time. A mechanical set-screw connector is the better pick when you need a reusable or field-adjustable joint and can access it later, but it requires torque verification. Note the compression route commits you to a tool and die: index 37 for T&B, 375 for Burndy.
9) Will an NSi tinned copper splice work as a drop-in for the Panduit SA4-CR on a 35 kV aluminum feeder?
No. The Panduit SA4-CR is UL Listed and CSA Certified to 35 kV with a 90 C temperature rating and is built as a thick-wall aluminum barrel pre-filled with joint compound for aluminum conductors. The NSi C series and SC series are tinned copper splices, a different conductor metal and a different barrel construction, so they are not an equivalent on an aluminum medium-voltage splice. Stay with the aluminum-bodied splice, or a dual-rated AL9CU aluminum splice such as the NSi ASC-T series, for that connection.
10) I need a shorter splice than the 1.88 inch Panduit SA4-CR for a crowded box. What are my options?
On copper conductors, the NSi SC series is a short barrel tinned copper compression splice, which shortens the overall connection compared with a long barrel style such as the NSi C series. The Panduit SA4-CR itself measures 1.88 inches overall and takes a 7/8 inch strip length per side, so allow for that plus separate insulation, since the SA4-CR body is non-insulated. Barrel length is set by conductor metal and size, so confirm the splice you pick is rated for the conductor you are actually joining.
11) How is the Panduit SA4-CR packaged, and can I buy just one?
Minimum order is 1 piece. Standard package is 100 pieces (about 3.7 lb) and a standard carton holds 400 pieces at roughly 14.8 lb, carton measuring 15.25 x 11.5 x 4.25 inches. Useful numbers if you are stocking a utility crib or shipping to a substation job.
12) What does the green color code on the Pan-Lug SA4-CR mean?
Green is the color code Panduit assigns to this 4 AWG aluminum splice, so a crew can pick the right barrel out of a bag at a glance and an inspector can verify the conductor size was matched. Confirm it against the 4 AWG marking and the stamped die index before you crimp.
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Does the Panduit SA4-CR come with a warranty?
Absolutely. The Panduit SA4-CR is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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