CH-3- Data Sheet
DS17039 rev. a 3M™ PELTOR™ Global Marketing Communication, Värnamo
3M Personal Safety Division
3M Svenska AB, Box 2341
SE-331 02 Värnamo
Sweden
Internet: www.3M.com/PELTOR
Email:cstechservice@mmm.com
Phone: +46 (0)370-65 65 00
Warranty:
The warranty does not cover any damage caused by neglected maintenance or
careless handling.
For more information on maintenance, please see the user instruction.
For complete warranty condition, contact your dealer or local 3M oce
Important Notice
3M does not accept liability of any kind, be it direct or consequential (including,
but not limited to, loss of prots, business and/or goodwill) arising from reliance
upon any information herein provided by 3M.
The user is responsible for determining the suitability of the products for their
intended use. Nothing in this statement will be deemed to exclude or restrict
3M’s liability for death or personal injury arising from its negligence.
3M acknowledges the respective Trademark Owners´ rights in this literature.
Please recycle. Printed in Sweden.
© 3M 2019. All rights reserved.
3M and PELTOR are trademarks of 3M Company
and its aliates.
Technical data specications
User limitation: Never modify or alter this product
In the box
1 x 3M™ PELTOR™ CH-3 Headset.
1 x User instruction
Laboratory Attenuation
MT74H52A-110 / MT74H52A-111 EN352-1:2002
Frequency (Hz)
125 250 500 1000 2000 4000 8000 SNR
Mean Attenuation (dB)
14.2 21.7 34.0 35.4 35.4 33.3 35.3
31
Standard deviation (dB)
2.2 1.8 2.2 2.5 3.2 2.4 3.0
Assumed Protection Value (dB)
12.0 19.9 31.8 32.9 32.2 30.9 32.3
H=32 dB M=29 dB L=20 dB
MT74H52A-110 / MT74H52A-111 with HY80 GEL rings EN352-1:2002
Frequency (Hz)
125 250 500 1000 2000 4000 8000 SNR
Mean Attenuation (dB)
11.7 21.8 32.6 36.2 35.6 34.1 37.0
29
Standard deviation (dB)
2.7 3.6 4.0 2.8 3.7 2.6 4.1
Assumed Protection Value (dB)
9.0 18.2 28.6 33.4 31.9 31.5 32.9
H=33 dB M=27 dB L=17 dB
MT74H52B-110 / MT74H52B-111 EN352-1:2002
Frequency (Hz)
125 250 500 1000 2000 4000 8000 SNR
Mean Attenuation (dB)
12.3 19.8 29.9 33.4 35.1 32.3 33.6
28
Standard deviation (dB)
4.1 3.4 3.2 4.2 4.0 2.0 3.9
Assumed Protection Value (dB)
8.2 16.4 26.7 29.2 31.1 30.3 29.7
H=31 dB M=25 dB L=16 dB
MT74H52P3E-110 / MT74H52P3E-111 EN352-3:2002
Frequency (Hz)
125 250 500 1000 2000 4000 8000 SNR
Mean Attenuation (dB)
18.2 22.4 30.0 34.0 34.9 32.4 34.2
30
Standard deviation (dB)
4.4 3.6 2.9 2.5 2.7 1.9 4.0
Assumed Protection Value (dB)
13.8 18.8 27.1 31.5 32.2 30.5 30.2
H=32 dB M=28 dB L=21 dB
MT74H52P3E-110 / MT74H52P3E-111 with HY80 GEL rings EN352-3:2002
Frequency (Hz)
125 250 500 1000 2000 4000 8000 SNR
Mean Attenuation (dB)
17.2 21.5 29.1 34.1 35.7 30.9 35.5
29
Standard deviation (dB)
3.5 3.2 4.1 3.1 3.4 3.1 5.8
Assumed Protection Value (dB)
13.7 18.3 25.0 31.0 32.3 27.8 29.7
H=30 dB M=27 dB L=20 dB
WARNING! 3M strongly recommends individual t testing of hearing
protectors. If the NRR or SNR is used to estimate typical workplace
protection, 3M recommends that the noise reduction value be reduced by
50% or in accordance with applicable regulations.
3M PSD products are occupational use only.
Model Weight (FLX2 cable excl.)
Headband: MT74H52A-110 = 292g (with HY80 = 351g)
MT74H52A-111 = 300g (with HY80 = 359g)
Helmet attachment: MT74H52P3E-110 = 243g (with HY80 = 303g)
MT74H52P3E-111 = 251g (with HY80 = 311g)
Neckband: MT74H52B-110 = 275g
MT74H52B-111 = 282g
Materials
Attachment wire: Stainless steel
Two-point fastener: Acetal
Ear cushion: PVC foil and polyether foam
Inline foam: Polyether foam
Cup: ABS plastic
Operating temperature: -20°C to +50°C
FLX2 Connector: 6-pin, mini XLR
Speakers: 46 mm diameter, 230 Ohm +/-10%,
SPL 107 +/- 2dB, 100-8000 Hz, IP54
Speech Microphone type:
Noise cancelling microphone,
Dynamic 150 Ohm, IP 68 (6m/30min)
Sensitivity .-71dB±3dB(0dB=1v/Pa 1KHz)
@50CM Frequency responce 200Hz
7KHz
Storage
Recommended storage conditions: -20º C - +50º C, <90% humidity
Recommended max. shelf life: 5 years
Approved Safety Helmets
Helmet Model Size
3M™ SecureFit™ Safety Helmet X5000 S/M/L
3M™ SecureFit™ Safety Helmet X5500 S/M/L
3M™ G3000 Basic Set L
3M™ G2000 S/M/L
3M™ G3501 L
Pin conguration
-110 Headset -111 Headset
Microphone
Pin Side
Microphone
Ground
Speaker
Right Side
Speaker
Left Side
Speaker
Left Side
Ground
Speaker
Right Side
Ground
PTT
Speakers
(Paralell)
Microphone
Ground
Microphone
(Adjusted
signal)
Speakers
Ground
(Paralell)
PTT
Pin Side


