Portwest PW47 Endurance Clip-On Ear Defender – Helmet-Mount Noise Protection
POA
Product Specifications
Brand: Portwest
Product Code: PW47
Type: Clip-On Ear Defender (helmet-mounted ear muffs)
Compatibility: Designed to attach to safety helmets (e.g. Portwest Endurance / Height-Endurance / Peak-View helmets) — may fit other standard helmets depending on helmet ear-defender clip interface.
Noise Attenuation (SNR): 27 dB (some vendors list up to 29 dB depending on helmet type)
Standards: Compliant with EN 352-3 (helmet-mounted ear defenders)
Shell / Materials: ABS outer shell, padded foam-filled ear cups / cushions, PU and polystyrene internal components, stainless steel clips/pivots.
Fit Adjustment: Adjustable dual-pin mounting system for correct fit and repositioning; cups can pivot into stand-off position when not in use.
Pack Size: Single pair (1 pair of defenders per pack)
Use Cases: Construction sites, industrial environments, manufacturing, any noisy workplace where helmet-mounted hearing protection is required. Compatible with intermittent use thanks to stand-off position.
Product Description
The Portwest PW47 Clip-On Ear Defender is a hard-hat compatible hearing protector designed to clip directly onto safety helmets. It provides effective noise attenuation (SNR 27 dB) while remaining compact and easy to use. The cups are foam-filled and padded for comfort during long wear, and the dual-pin adjustable system ensures a secure, custom fit. When not in use, the cups can be flipped into a “stand-off” position. Compatible with Portwest helmet models and many other standard safety helmets.
DOCUMENTATION:
PW47 Declaration of Conformity UK
PW47 Declaration of Conformity EU
PW47 Datasheet