Breakout Boots Up to 35kV 2/3/4/5 Core

WRSZT Crosslinked Polyolefin Cable Breakout Boots

Material: polyolefin. Shrink temperature: starts at 100°C and fully shrinks at 130°C. Voltage rating: up to 35kV. Color: black, red, milk‑white (only for oil‑resistant terminations). Thermoplastic adhesive liner provides strain relief and mechanical protection.

Shrink ratio accommodates a wide range of cables
Boots for 2, 3, 4 and 5 way cable
Strain relief and mechanical protection
Thermoplastic adhesive liner

Dimensions – 2‑core Breakout

Order ref. Number	Breakout main diameter (mm)		Finger diameter (mm)		Full length (mm)	Finger length (mm)
	As supplied (min)	After recovery (max)	As supplied (min)	After recovery (max)
WISZT2-25/11	≥72	≤23	≥40	≤10	135±5	55±5
WISZT2-30/15	≥25	≤11	≥10	≤5	145±5	60±5
WISZT2-40/15	≥40	≤15	≥20	≤9	145±5	65±5
WISZT2-50/17	≥50	≤17	≥25	≤11	145±5	60±5

Dimensions – 3‑core Breakout

Order ref. Number	Breakout main diameter (mm)		Finger diameter (mm)		Full length (mm)	Finger length (mm)
	As supplied (min)	After recovery (max)	As supplied (min)	After recovery (max)
WRSZT3-27/17	≥27	≤17	≥12	≤5	130±5	50±5
WRSZT3-50/22	≥50	≤22	≥19	≤7	165±5	60±5
WRSZT3-60/28	≥60	≤28	≥24	≤8	170±5	65±5
WRSZT3-70/36	≥70	≤36	≥29	≤13	210±5	80±5
WRSZT3-90/45	≥90	≤45	≥40	≤15	220±5	90±5
WRSZT3-105/53	≥105	≤53	≥44	≤18	225±5	90±5
WRSZT3-130/63	≥130	≤63	≥58	≤24	230±5	85±5

Dimensions – 4‑core Breakout

Order ref. Number	Breakout main diameter (mm)		Finger diameter (mm)		Full length (mm)	Finger length (mm)
	As supplied (min)	After recovery (max)	As supplied (min)	After recovery (max)
WRSZT4-40/18	≥40	≤18	≥10	≤5	130±5	55±5
WRSZT4-50/24	≥50	≤24	≥15	≤7	150±5	55±5
WRSZT4-70/32	≥70	≤32	≥24	≤9	175±5	75±5
WRSZT4-80/44	≥80	≤44	≥30	≤12	185±5	75±5
WRSZT4-95/44	≥95	≤44	≥35	≤12	185±5	80±5

Dimensions – 5‑core Breakout

Order ref. Number	Breakout main diameter (mm)		Finger diameter (mm)		Full length (mm)	Finger length (mm)
	As supplied (min)	After recovery (max)	As supplied (min)	After recovery (max)
WRSZT5-40/21	≥40	≤21	≥10	≤5	150±5	55±5
WRSZT5-55/29	≥55	≤29	≥15	≤7	170±5	65±5
WRSZT5-70/38	≥70	≤38	≥24	≤9	175±5	65±5
WRSZT5-90/49	≥90	≤48	≥30	≤12	190±5	80±5

Technical Data

Standard insulated breakout / oil‑resistant breakout

Material Specifications

Property	Test Method	Insulated breakout	Oil resistant breakout
Operating temperature	IEC 216	-55°C～100°C	-20°C～100°C
Tensile strength (MPa)	ASTM D2671	≥13	≥12
Elongation (%)	ASTM	≥300	≥300
Tensile strength after thermal aging (MPa)	ASTM (120°C/168h)	≥11	≥10
Elongation after thermal aging (%)	ASTM (120°C/168h)	≥210	≥210
Water absorption (%)	ASTM D2671	≤0.1	≤0.1
Volume resistance (Ω·cm)	IEC 93	≥1×10¹⁴	≥1×10¹⁴
Oil resistance (tensile strength after dipping) (MPa)	70# cable oil/168h	—	≥10
Oil resistance (elongation after dipping) (%)	70# cable oil/168h	—	≥210
Dielectric strength (kV/mm)	IEC 243	≥20	≥20

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Available colours: black, red, milk‑white (only for oil‑resistant terminations).