3M Peltor Twin Cup MT72H540P3 50 Series - EC-Type Examination Certificate Schedule; Schedule Details and Equipment Description; Documentation and Certificate History

65
Nemko
09ATEX111
9X
Issue 1
Date:
2011
-
09
-
21
Page
2
of
3
This certificate may only be reproduced in its entirety and without any change, schedule include
d.
Postal address:
Office address:
Telephone:
Enterprise number:
P.O.Box 73 Blindern
Gaustadalléen 30
+4722960330
NO 974404532
N
-
0314 OSLO, NORWAY
0373 OSLO
Fax:
+4722960550
[13]
Schedule
[14]
EC
-
TYPE EXAMINATION CERTIFICATE No
Nemko 09ATEX1
11
9
X
Issue
1
[15]
Description of Equipment or Protective System
The h
eadset consists of two headphones and a microphone connected to a common plug (jack plug). This certificate
covers two models, one with headband and one with helmet attachment.
Type Designations
MT72H540F
-
50
MT72H540P3E
-
50
Safety parameters for intrinsica
lly safe c onnection.
Maximum input voltage, Ui=14V
Maximum input current, Ii
=450mA
Maximum input power, Pi=1.3W
Maximum internal capacitance, Ci=Negligible
Maximum internal inductance, Li=0.8mH
[16]
Report No.
1
87494
Descriptive Documents
Name/Title
Drawing No.
Rev.
Date
Sheets
Assembly Drawing MT72H540F
-
50
P080130
b
2008
-
08
-
13
1
Assembly Drawing MT72H540P3E
-
50
P080137
b
2008
-
08
-
13
1
Wiring Instruction MT72H540**
-
50
P080139
a
2008
-
02
-
22
1
Ex
Label
MT72H540F
-
50
P080435
b
2009
-
04
-
15
1
Ex
Label
MT72
H540P3E
-
50
P080436
b
2009
-
04
-
15
1
Instruction Manual
FP3640
d
-
-
Datasheet UDU
-
19RK from Teisco Sound
Research Ltd
-
-
1998
-
07
-
06
4
Datasheet UDU
-
19RK
-
N from KTEL Corp.
-
-
2005
-
09
-
09
1
Datasheet HU
-
28G 230ohm from Teisco Sound
Research Ltd
-
-
1990
-
1
1
-
15
4
Datasheet M01N
-
02 from KTEL Corporation
-
-
2011
-
06
-
27
1
Certificate History and Associated Nemko Reports
Issue
Date
Report
Description
0
2009
-
04
-
27
126520
Prime Certificate released
1
2011
-
09
-
20
187494
Increased the current in safety param
eters for intrinsically safe connection and
added a microphone, M01N
-
02.