Safety Helmet with Protective Peak with Ratchet Type Adjustment and Ventilators

Model PN542 · Karam

Overview

The PN542 Safety Helmet is designed for superior protection and comfort in demanding environments. Made from durable polypropylene co-polymer, it features dual corrugation for enhanced strength and a ratchet adjustment system to fit most head sizes securely. With increased vertical clearance for shock absorption and an extended nape for added neck protection, it ensures reliable safety. Ventilated slots with shutter mechanisms prevent rainwater entry while enhancing airflow.

Key features

Dual corrugation.
Made up of polypropylene co-polymer.
Slider/nape type adjustment to suit most head sizes.
Increased vertical clearance for optimum shock absorption.
Extended nape for extra impact protection to the user’s neck.
Has ventilated slots which can be opened / closed with the help of a shutter to prevent any rainwater seepage.

Available colours

White
Apex Grey
Fluorescent Green
Lamination Blue
Hybrid Green
Mint Green
Orange
Red
Star Blue
Yellow
UT Violet
Dark Brown

Applications

Heavy Engineering
Automobile Industry
Mining
Metallurgy

Standards and certification

EN 397:2012+ A1:2012

EN 50365:2002

Supplier: ISO 9001:2015 certified

PRODUCT DATASHEETDoc. SSLS/DS/HP-023 · Rev. 01 · 13-Oct-2026

Safety Helmet with Protective Peak with Ratchet Type Adjustment and Ventilators – technical data

Technical specifications

Brand	Karam
Model	PN542
Corrugation	Dual
Cradle Adjustment Points	6
Type of Adjustment	Ratchet type
Crown Cooling Vents	Yes
Rain Management System	Yes
Protective Peak	Yes
Ventilated Slots	Yes
Side Slots	Yes
Adjustable Chin Straps	Yes
Temperature	-10 to +50 Degrees
Warranty	1 year from the date of invoice against any manufacturing defects.
Standards	EN 397:2012+ A1:2012, EN 50365:2002
Colours	White, Apex Grey, Fluorescent Green, Lamination Blue, Hybrid Green, Mint Green, Orange, Red, Star Blue, Yellow, UT Violet, Dark Brown

Ordering information

Brand	Karam
Model	PN542
Colours	White, Apex Grey, Fluorescent Green, Lamination Blue, Hybrid Green, Mint Green, Orange, Red, Star Blue, Yellow, UT Violet, Dark Brown

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.