NAD M25 C, Service Manual, Page: 16 / 46

120deg Thermal Autoreset switch
RED UL1015 14AWG 300mm
BLK UL1015 14AWG 300mm
GRY UL1015 14AWG 300mm
0V
42.9V No load 41.1V/17.4A(Voltage between Pin8 to Pin9)
57.4V No load 55.2V/13.5A(Voltage between Pin7 to Pin9)
42.9V No load 41.1V/17.4A(Voltage between Pin9 to Pin10)
57.4V No load 55.2V/13.5A(Voltage between Pin9 to Pin11)
BLK UL1672 16AWG 150mm
BWN UL1672 16AWG 150mm
0V
18.9V No load 18.3V/0.6A(Voltage between Pin14 to Pin15)
66.9V No load 65V/0.2A(Voltage between Pin13 to Pin15)
18.9V No load 18.3V/0.6A(Voltage between Pin15 to Pin16)
66.9V No load 65V/0.2A(Voltage between Pin15 to Pin17)
WHI UL1015 22AWG 150mm
WHI UL1672 16AWG 150mm
BLU UL1672 16AWG 150mm
WHI UL1015 22AWG 150mm
ORA UL1015 14AWG 300mm
WHI UL1015 14AWG 300mm
GRN UL1015 22AWG 300mm
VIO UL1015 22AWG 300mm
BLK UL1015 22AWG 300mm
GRY UL1015 22AWG 300mm
YEL UL1015 22AWG 300mm
Thermal protector leads are
terminated with Molex 50539-8000
and with Molex housing 51144-0200
Primary leads are terminated with
Molex 43375-0001 and with Molex
housing 44441-2004
Secondary leads are terminated
with Molex 50539-8000 and with
Molex housing 51144-0500
Secondary high and low Alternative loads
Secondary current at normal load
Thermal protector mounted on secondary
side but leads close to primary leads
Diameter <162mm Center filled and 10mm hole
Height <106mm
Weight <10.8Kg
Label: ┌ ┐
Toroid Audio Ltd
P/N:
TI-043810 AU Iss 2
NAD: M25
Thermal Autoreset 120Deg
Class B insulation system (E202144/Z125)
cULus logo + E115159 CE Logo
└ ┘
Comments:
1)Primary resistance:2x0.36ohm
2)Secondary resistance:2x(0.065+0.03) and 2x(1.1+0.44)ohm
3)Calculated temperature rise at 1350VA
continuous load:77 deg C
4)CUL recognized to UL6500 and Can/CSA E60065-00
Secondary leads are terminated with
Molex 43375-0001 and with Molex
housing 44441-2005
44441-2004 44441-2005 43375-0001 50539-8000 51144 series
117V between Pin1 to Pin2
117V between Pin3 to Pin4
P2A
MOLEX_51144-0200
P2A
MOLEX_51144-0200
1
2
P1A
MOLEX_44441-2004
P1A
MOLEX_44441-2004
1
2
3
4
P4A
MOLEX_51144-0500
P4A
MOLEX_51144-0500
1
2
3
4
5
P3A
MOLEX 44441-2005
P3A
MOLEX 44441-2005
1
2
3
4
5
t
TR1
M25 MAIN TRANSFORMER
t
TR1
M25 MAIN TRANSFORMER
1
2
14
3
4
5
6
7
8
9
10
11
13
15
16
17
SCHEMATICS DIAGRAM
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