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3M™ PELTOR™ WS™ LiteCom Pro III Headset
MT73H7*4D10EU*, MT73H7*4D10EU-50
MT73H7*4D10NA*, MT73H7*4D10NA-50
INTRODUCTION
Congratulations and thank you for choosing 3M™ PELTOR™
Communication Solutions! Welcome to the next generation of
protective communication.
INTENDED USE
These 3M™ PELTOR™ headsets are intended to provide
workers with protection against hazardous noise levels and
loud sounds while allowing the user to communicate with
built-in two-way radio or Bluetooth
®
and hear the surroundings
via the ambient microphones. It is expected that all users read
and understand the provided user instructions as well as be
familiar with the use of this device.
IMPORTANT
Please read, understand, and follow all safety information in
these instructions prior to use. Retain these instructions for
future reference. For additional information or any questions,
contact 3M Technical Service (contact information listed on the
last page).
INTRINSIC SAFETY
The 3M™ PELTOR™ WS™ LiteCom Pro III Headset,
MT73H7*4D10EU-50, MT73H7*4D10NA-50 has been certified
to be intrinsically safe for use in potentially explosive
atmospheres. The user is responsible for ensuring that the
intrinsically safe 3M™ PELTOR™ WS™ LiteCom Pro III
Headset and accessories are used in the appropriate
atmospheres as defined by the approved area classifications
and according to the user instructions. Failure to do so may
result in serious injury or death. See separate Safety Guide
included in the product box for more information.
If there is any risk that the safety or integrity of the unit has
been compromised, the unit must be taken out of operation
immediately and removed from the potentially explosive
atmosphere without delay. Action must be taken to prevent the
device from being accidentally placed into operation again.
Contact 3M Technical Service for service and repair.
MT73H7*4D10EU-50
Presafe 16ATEX8960X
Certified by DNV Nemko Presafe AS as
Intrinsically Safe for Use in Hazardous Locations
I M1 Ex ia I Ma –20 °C ≤ Ta: ≤ 50 °C
II 1G Ex ia IIC T4 Ga –20 °C ≤ Ta: ≤ 50 °C
II 1D Ex ia IIIC T130°C Da –20 °C ≤ Ta: ≤ 50 °C
IECEx Presafe 16.0086X
Certified by DNV Nemko Presafe AS as
Intrinsically Safe for Use in Hazardous Locations
Ex ia I Ma –20 °C ≤ Ta: ≤ 50 °C
Ex ia IIC T4 Ga –20 °C ≤ Ta: ≤ 50 °C
Ex ia IIIC T130°C Da –20 °C ≤ Ta: ≤ 50 °C
MT73H7*4D10NA-50
CSA 17.70112567
Certified by CSA Group as Intrinsically Safe for
Use in Hazardous Locations
Ex ia IIC T4 Ga, Cl I, Zn 0, –20°C ≤ Ta ≤ 50°C
(Canada)
AEx ia IIC T4 Ga, Cl I, Zn 0, –20°C ≤ Ta ≤ 50°C
(United States)
Class I, Division 1, Groups A, B, C & D;
Class II, Division 1, Groups E, F & G;
Class III, Division 1; Temperature Code T4
IECEx Presafe 16.0086X
Certified by DNV Nemko Presafe AS as
Intrinsically Safe for Use in Hazardous Locations
Ex ia I Ma –20°C ≤ Ta: ≤ +50°C
Ex ia IIC T4 Ga –20°C ≤ Ta: ≤ +50°C
Ex ia IIIC T130°C Da –20°C ≤ Ta: ≤ +50°C
!
WARNING
To reduce the risk of igniting an explosion which, if not avoided,
could result in serious injury or death:
• Ensure that the 3M™ PELTOR™ WS™ LiteCom Pro III
Headset, MT73H7*4D10EU-50, MT73H7*4D10NA-50 and
any intrinsically safe accessories are only used and stored
in the classified areas consistent with the marked equipment
ratings.
• Never connect electronic components or devices to the
headset in a potentially explosive environment.
• Only connect to the headset the 3M™ PELTOR™ Spare
Parts and Accessories listed in the user instructions.
SUBSTITUTION OF COMPONENTS MAY IMPAIR
INTRINSIC SAFETY.
• For intrinsically safe models, only use the 3M™ PELTOR™
Battery ACK082, 3M™ PELTOR™ Charging cable AL2AH,
and 3M™ PELTOR™ Power supply FR08.
• For non-intrinsically safe models, use only 3M™ PELTOR™
Battery ACK081 charged with cable 3M™ PELTOR™ AL2AI
connected to a 3M™ PELTOR™ Power supply FR08.
• Never change or charge the ACK082 battery in a potentially
explosive atmosphere.
• Do not use headset or accessories if they are damaged or
malfunctioning in any way.
• Only use 3M™ PELTOR™ Authorized Service Centers for
service and repair.
This hearing protector helps reduce exposure to hazardous
noise and other loud sounds. Misuse or failure to wear hearing
protection at all times when exposed to hazardous noise
may result in hearing loss or injury. For correct use, consult
supervisor and User Instructions, or call 3M Technical Service
(contact information listed on the last page). If your hearing
seems dulled or you hear a ringing or buzzing during or after
any noise exposure (including gunfire), or for any other reason
you suspect a hearing problem, leave the noisy environment
immediately and consult a medical professional and/or your
supervisor.
EN