Proton 4000 L

Overview

Non-ventilated HDPE safety helmet- universal accessories slot, dome shaped shell with 4-point suspension.

Key features

Light weight safety helmet made of durable HDPE compounds
Dome shape to provide complete coverage with flat ribs
4-point plastic suspension for load distribution while impact occurs
Slip fit adjustment for all head size
Adjustable chin strap for customized fit and comfort
High quality sweat band provides comfort

Applications

Construction and infrastructure
Manufacturing and engineering
Warehousing and logistics
Ports and material handling

Standards and certification

IS 2925:1984

EN 397:2012

Supplier: ISO 9001:2015 certified

PRODUCT DATASHEETDoc. SSLS/DS/HP-047 · Rev. 01 · 13-Oct-2026

Proton 4000 L – technical data

Technical specifications

Brand	Udyogi
Shell	HDPE (High Density Polyethylene)
Ventilation	Non-ventilated
Suspension	4-point Plastic suspension
Head adjustment	Slip fit
Peak size	48 mm
Accessories slot size	30 mm
Internal vertical clearance	36 mm
Wearing height	96 mm
Circumference of Headband	540 mm. – 620 mm
Cradle width	20.51 mm
Chin strap width	19.85 mm
Weight	345 grams
Standards	IS 2925:1984, EN 397:2012
Colours	Yellow, Purple, Red, White, Blue, Dark Gray, Green, Orange

Ordering information

Brand	Udyogi
Colours	Yellow, Purple, Red, White, Blue, Dark Gray, Green, Orange

Inspection and care

Inspect the shell and harness before each use. Replace the helmet after any significant impact, or if the shell is cracked, dented or discoloured. Replace within the service life marked by the manufacturer. Do not paint or apply solvents to the shell.

Storage

Store in a cool, dry place away from direct sunlight, heat and chemicals.

Data given in good faith from manufacturer information and subject to change without notice. Select PPE based on a site risk assessment. Scan the code for the product page.