DISPOSABLE EAR PLUGS
MODEL NO: 403/100, 403/200, 403/250D,
403/250DRE, 403/500D
Thank you for purchasing a Sealey product. Manufactured to a high standard, this product will, if used according to these
instructions, and properly maintained, give you years of trouble free performance.
1. INTRODUCTION
Disposable, single use ear plugs. Supplied in a dispenser with twist mechanism that can be wall mounted or surface standing
(403/250D & 403/500D only). Provides comfortable protection from noise. SNR Rating 38dB. Conforms to BS EN 352-2:2020. For
replacement ear plugs order Sealey Model No. 403/250DRE.
Notied Body Number: 2777
Type Examination Certicate Number: 2777/13330-03/E00-00
Carried Out By: SATRA Technology Europe Ltd, Bracetown Business Park, Clonee, Co. Meath, D15 F8PH, Ireland
2. SAFETY
WARNING! Put the ear plugs on before exposing yourself to noise and wear them during the whole noise exposure. Be
warned that failure to adhere to these recommendations will cause the protection aorded by the product to be severely
impaired. These are disposable ear plugs and should not be reused.
3. ATTENUATION VALUES
NOTE: SNR (Signal-to-Noise Ratio) indicates an attenuation value averaged over the relevant frequencies. An SNR value of 34dB for
example, in a 100dB noise level environment, reduces it to 66dB.
CLASSIFICATION SNR = 38 dB H = 37 dB M = 36 dB L = 32 dB
Frequency (Hz) 125 250 500 1000 2000 4000 8000
Mean Attenuation (dB) 30.1 34.2 41.0 41.7 38.2 45.2 45.7
Standard Deviation (dB) 3.9 4.0 4.1 4.7 3.0 4.1 4.6
Assumed Protection (dB) 26.2 30.2 36.9 37.0 35.2 41.0 41.1
SNR
M
= 40.8 dB H
M
= 40.1 dB M
M
= 39.5 dB L
M
= 36.0 dB
SNR
S
= 2.9 dB H
S
= 2.9 dB M
S
= 3.2 dB L
S
= 3.6 dB
403/100, 403/200, 403/250D, 403/250DRE, 403/500D Issue 1 26/09/23
Original Language Version
© Jack Sealey Limited
IMPORTANT: PLEASE READ THESE INSTRUCTIONS CAREFULLY. NOTE THE SAFE OPERATIONAL REQUIREMENTS,
WARNINGS & CAUTIONS. USE THE PRODUCT CORRECTLY AND WITH CARE FOR THE PURPOSE FOR WHICH IT
IS INTENDED. FAILURE TO DO SO MAY CAUSE DAMAGE AND/OR PERSONAL INJURY AND WILL INVALIDATE THE
WARRANTY. KEEP THESE INSTRUCTIONS SAFE FOR FUTURE USE.
EU | Sealey EU Ltd, Farney Street, Carrickmacross, Co. Monaghan, A81 PK68 Ireland
UK | Sealey Group, Kempson Way, Suffolk Business Park, Bury St Edmunds, Suffolk. IP32 7AR
01284 757500 sales@sealey.co.uk www.sealey.co.uk
ENVIRONMENT PROTECTION
Recycle unwanted materials instead of disposing of them as waste. All tools, accessories and packaging should be sorted,
taken to a recycling centre and disposed of in a manner which is compatible with the environment. When the product
becomes completely unserviceable and requires disposal, drain any fluids (if applicable) into approved containers and
dispose of the product and fluids according to local regulations.
Note: It is our policy to continually improve products and as such we reserve the right to alter data, specifications and component parts without prior notice.
Important: No Liability is accepted for incorrect use of this product.
Warranty: Guarantee is 12 months from purchase date, proof of which is required for any claim.
REGISTER YOUR
PURCHASE HERE
This document has been drawn up according to Regulation (EU) 2016/425 as amended to apply to GB for Personal Protective
Equipment. The declaration of conformity can be accessed at www.sealey.co.uk.
