PENTA ESP  |  SKU: 30083221  |  MPN: RIS-2-RY-S

Rubber Insulating Sleeves | ASTM D1051 | Class 2–4 | S–XL

$642.50
Sold as a Pair (2 sleeves per pkg.)
Size
Class
  • Natural Rubber Construction – Premium dielectric protection with flexible, durable performance
  • ASTM D1051 Compliant – Meets industry standards for electrical insulating sleeves
  • Class 2–4 Options – Rated up to 36,000V AC / 54,000V DC for high-voltage applications
  • Curved Ergonomic Design – Dipped construction improves comfort and reduces fatigue during extended use
  • Secure Fit System – Compatible with straps, harnesses, and screw-in buttons for reliable positioning
  • See Compatible Sleeve Accessories LINK.

Rubber Insulating Sleeves | ASTM D1051 | Class 2–4 | S–XL — Product Overview

Rubber Insulating Sleeves are made from premium natural rubber to provide outstanding dielectric properties with flexibility, strength, and durability. Manufactured using a dipped process for comfort and dexterity, these sleeves feature an ergonomic curved design to help reduce user fatigue during extended wear. Straps and buttons keep the sleeves securely in place, and a color-coded label supports quick verification of compliance.

Key Features

  • Natural Rubber Construction – Excellent dielectric properties with flexible, durable performance.
  • Comfort & Dexterity – Dipped manufacturing process supports comfort and flexibility.
  • Ergonomic Curved Design – Helps reduce user fatigue during extended use.
  • Secure Fit – Straps and screw-in buttons help keep sleeves in position.
  • Compliance Verification – Color-coded label provides quick, clear verification.

Technical Data

Specification Details
Material Natural Rubber
Color Yellow / Red
Sizes Small, Regular, Large, X-Large
Standard Compliant with ASTM D1051
Packaging 1 pair per aluminum bag, cardboard box
Box Dimensions 32" x 14" x 2.5" (81 cm x 35.5 cm x 6.3 cm)

Straight sleeves available upon request.


Dimensions (by Size)

Dimensions shown in in (mm). Tolerances: A ±13 mm (±1/2 in.), B minimum allowable length, C ±13 mm (±1/2 in.), D ±6 mm (±1/4 in.).

Dimension Small Regular Large X-Large
A 24.25" (616 mm) 26.5" (673 mm) 27.75" (705 mm) 29.5" (749 mm)
B 15.13" (384 mm) 15.5" (394 mm) 16" (406 mm) 17.5" (445 mm)
C 12.5" (317 mm) 12.25" (311 mm) 12.87" (327 mm) 12.87" (327 mm)
D 5.75" (146 mm) 5.25" (133 mm) 6.87" (175 mm) 7" (178 mm)

Class Options & Voltage Ratings

Part Number Class Max Use AC Volts Max Use DC Volts
RIS-2-RY-S 2 17,000 25,500
RIS-2-RY-RG 2 17,000 25,500
RIS-2-RY-L 2 17,000 25,500
RIS-2-RY-XL 2 17,000 25,500
RIS-3-RY-S 3 26,500 39,750
RIS-3-RY-RG 3 26,500 39,750
RIS-3-RY-L 3 26,500 39,750
RIS-3-RY-XL 3 26,500 39,750
RIS-4-RY-S 4 36,000 54,000
RIS-4-RY-RG 4 36,000 54,000
RIS-4-RY-L 4 36,000 54,000
RIS-4-RY-XL 4 36,000 54,000

Compatible Accessories

  • RIS-STRAPS – Adjustable Straps with Buckle for Rubber Insulating Sleeves
  • RIS-HARN – Harness for Rubber Insulating Sleeves
  • RIS-BTN-S – Screw-in Button for Rubber Insulating Sleeves