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 Thermal Cut-Off    Download PDF
Thermal Sensors

Thermal Cut-Off
HDM | L10 | L50 | MTEF | MTHF | MTKF | MTML | MTNF | MTR1 | MTS1 | MTTF | MTYF | MWS | SDF | S3M

Benefits
Small compact design, Broad product line, Dust=proof design, Customer-specific design

Applications
Household appliances, Electronic appliances, Fan heaters, Transformers, Automotive Industry

 

Tf Functioning open temperature.
Th Holding temperature:
Maximum continuous exposure temperature during operation
Tm Maximum overshoot temperature:
Above this temperature the TCO might conduct again.
All current ratings relate to resistive loads.
 > Thermal Cut-Off 250 Vac
  MTKF 1A MTTF 1/2A MTYF 4/5A
temperature rating (°C)
Tf
type
Th
Tm
type
Th
Tm
type
Th
Tm
65
K06F
55
200
T06F
50
200
Y06 1)
45
200
76
-
-
-
T0F
55
200
Y0F
55
200
86
-
-
-
T1F
60
200
Y1F
60
200
102
K2F
80
200
T2F
75
200
Y2F
70
200
115
K3F
99
200
T3F
95
200
Y3F
90
200
127
K4F
110
200
T4F
110
200
Y4F
100
200
133
K13F
110
200
T13F
105
200
Y13F
100
200
136
K5F
115
200
T5F
105
200
Y5F
105
200
139
K6F
120
200
T6F
120
200
Y6F
115
200
145
K7F
125
200
-
-
-
Y7F
125
200
tolerance (K)
0/-10
0/-10
0/-10
wire (mm)
Ø 0.53
Ø 0.53
Ø 0.70

 

 > Thermal Cut-Off 250 Vac
  S3M7 5A S3M4 10A SDFS/SDFL 15A
temperature rating (°C)
Tf
type
Th
Tm
type
Th
Tm
type
Th
Tm (VDE)
 Tm (UL)
66
-
-
-
-
-
-
DF
42
110
130
70
E7F
55
125
E4A
55
130
-
-
-
-
72
-
-
-
E4A
57
100
DF
50
115
110
77
E7F
62
125
E4A
62
125
DF
55
120
110
84
E7F
69
125
E4A
69
125
DF
60
125
114
91
-
-
-
-
-
-
DF
67
135
121
93
E7F
78
140
E4A
78
140
-
-
-
-
98
E7F
83
140
E4A
83
140
DF
76
140
130
100
E7F
85
130
E4A
85
140
DF
78
135
250
104
-
-
-
E4A
89
150
DF
80
150
150
110
E7F
95
140
E4A
95
150
DF
88
140
140
117
E7F
102
150
E4A
102
160
-
-
-
-
119
-
-
-
-
-
-
DF
95
170
170
121
E7F
106
150
E4A
106
160
DF
-
-
-
128
E7F
113
150
E4A
113
205
DF
106
155
155
141
-
-
-
-
-
-
DF
117
171
171
144
E7F
129
175
E4A
129
240
DF
120
250
250
152
E7F
137
175
E4A
137
205
DF
128
176
175
167
E7F
152
200
E4A
152
240
-
-
-
-
170
-
-
-
-
-
-
DF
146
300
190
172
E7F
157
200
E4A
157
240
-
-
-
-
184
E7F
169
200
E4A
169
210
DF
160
300
214
190
E7F
175
270
E4A
175
310
DF
-
-
-
192
-
-
-
E4A
177
210
DF
162
290
222
205
-
-
-
E4A
189
310
-
-
-
-
216
-
-
-
E4A
200
375
DF 1)
191
241
-
228
-
-
-
-
-
-
DF
193
300
300
229
-
-
-
E4A
200
375
-
-
-
-
240
-
-
-
E4A
200
450
DF
200
290
260
tolerance (K)
0/-5
0/-5
0/-5
wire (mm)
Ø 0.57
Ø 1.0
Ø 1.02 / AWG18

 

 > Thermal Cut-Off 250 Vac
  S3M5 20A S3M8 25A
temperature rating (°C)
Tf
type
Th
Tm
type
Th
Tm
66
-
-
-
-
-
-
70
E5A
55
175
E8A
45
175
72
E5A
57
175
E8A
47
175
77
E5A
62
200
E8A
52
200
84
E5A
69
200
E8A
59
200
91
-
-
-
-
-
-
93
E5A
78
215
E8A
68
215
98
E5A
83
215
E8A
73
215
100
E5A
85
215
-
-
-
104
E5A
89
225
E8A
79
225
110
E5A
95
225
E8A
85
225
117
E5A
102
235
E8A
92
235
119
-
-
-
-
-
-
121
E5A
106
235
E8A
96
235
128
E5A
113
235
E8A
103
235
141
-
-
-
-
-
-
144
E5A
129
250
E8A
119
250
152
E5A
137
250
E8A
127
250
167
E5A
152
285
E8A
142
285
170
-
-
-
-
-
-
172
E5A
157
350
-
-
-
184
E5A
169
350
E8A
159
350
190
E5A
175
350
-
-
-
192
E5A
177
350
E8A
167
350
205
E5A
189
375
-
-
-
216
E5A
200
375
-
-
-
228
-
-
-
-
-
-
229
E5A
200
375
E8A
200
375
240
E5A
200
375
E8A
200
375
tolerance (K)
0/-5
0/-5
wire (mm)
Ø 1.0
Ø 1.0

1) VDE approved only


 > Thermal Cut-Off 250 Vac
  MTNF 1A MTML 2A MTHF 2A MTEF 3A
temperature rating (°C)
Tf
type
Th
Tm
type
Th
Tm
type
Th
Tm
type Th Tm
65
N06F 1)
50
200
-
-
-
H06F
50
200
 E06F 50 200
76
N0F
50
200
-
-
-
H0F
50
200
 E0F 55 200
86
N1F
60
200
-
-
-
H1F
60
200
 E1F 65 200
102
N2F
75
200
L10
75
165
H2F
75
200
 E2F 70 200
115
N3F
95
200
L20
85
165
H3F
95
200
 E3F 90 200
125
-
-
-
L30
90
165
-
-
-
 - - -
127
N4F
105
200
-
-
-
H4F
100
200
 E4F 95 200
130
-
-
-
-
-
-
-
-
-
 - - -
133
N13F
105
200
L33
100
165
H13F 1)
100
200
 E13F 95 200
136
N5F
100
200
-
-
-
H5F
100
200
 E5F 95 200
139
N6F
110
200
-
-
-
H6F
110
200
 E6F 105 200
145
N7F
125
200
-
-
-
H7F
110
200
 E7F 115 200
tolerance (K)
0/-10
0/-10
0/-10
 0/-10
wire (mm)
Ø 0.53
Ø 0.52
Ø 0.55
 Ø 0.70


 > Thermal Cut-Off 250 Vac
  MTR1 3A 2) MTS1 5A MWS1 15A MWS2 20A
temperature rating (°C)
Tf
type
Th
Tm
type
Th
Tm
type
Th
Tm
type Th Tm
98
R-95
70
180
-
-
-
-
-
-
 - - -
100
-
-
-
S95 3)
70
180
S95H 3)
70
180
 S95 3) 70 180
108
R-105
80
180
-
-
-
-
-
-
 - - -
110
-
-
-
S105 2)
80
180
S105H 2)
80
180
 S105 3) 80 180
130
R-125
100
180
S125 2)
100
180
S125H 3)
100
180
 - - -
143
-
-
-
S138 2)
110
180
-
-
-
 - - -
150
(not RoHS Comp.)
-
-
-
-
-
-
S145H 3)
120
180
 S145 3) 120 180
tolerance (K)
0/-10
0/-10
0/-10
 0/-10
wire (mm)
Ø 0.60
Ø 0.70
Ø 1.20
 Ø 1.60

1) VDE approved only 2) UL approved only 3) not approved

 > Ordering Example
   [ S3M4E4A00121 ]
S3M4 E4A 00 121
sales name type
(manufacturer designation)		 construction / code:
00 / S (one side short);
01/L (both sides long)		 temperature Tf

 

 > Thermal Cut-Off 250 Vac
  L50N 1) 5/10/20/25A L10N1) 3/8A
temperature rating (°C)
Tf
type
Th
Tm
type
Th
Tm
ratings see
S3M4, S3M5, S3M8
71
-
L10N
55
175
72
L50N
-
-
-
77
L50N
L10N
55
175
84
L50N
-
-
-
85
-
L10N
55
175
90
-
L10N
60
175
93
L50N
-
-
-
98
L50N
-
-
-
100
L50N
L10N
70
175
104
L50N
-
-
-
108
-
L10N
78
175
110
L50N
-
-
-
117
L50N
-
-
-
118
-
L10N
88
175
121
L50N
-
-
-
128
L50N
-
-
-
130
-
L10N
100
175
140
-
L10N
110
175
144
L50N
-
-
-
150
-
L10N
120
175
152
L50N
-
-
-
165
-
L10N
135
175
167
L50N
-
-
-
172
L50N
-
-
-
184
L50N
-
-
-
190
L50N
-
-
-
192
L50N
-
200
375
205 L50N 3) -    
216 L50N 3) -    
229 L50N 3) -    
240
L50N 3)
-
-
-
tolerance (K)
0/-5
0/-5
wire (mm)
see chart below
see chart below

 

 > Thermal Cut-Off 250 Vac
  HDMV, HDMH 15A 2)
temperature rating (°C)
Tf
type
Th
Tm
78
DM
62
250
90
DM
68
250
99
DM
83
250
110
DM
86
250
120
DM
96
250
130
DM
112
250
140
DM
125
250
150
DM
135
250
170
DM 1)
145
250
182
DM
163
250
190
DM
170
250
tolerance (K)
0/-7
wire (mm)
6.3 x 0.8 mm


type
lead
code
temp. max.
operating voltage max. diameter insulation cross section diameter UL style
L10N
stranded white
L330
200°C
 600 V 0.90 mm AWG24/0.24 mm2 3557
L10N G911
stranded white
L340
200°C
 600 V 1.26 mm AWG20/0.61 mm2 3557
L50N
stranded white
L350
200°C
 600 V 1.50 mm AWG18/0.96 mm2 3557
L50N
solid yellow
L440
200°C
 300 V 1.51 mm AWG20/0.81 mm 1332

1) not approved 2) UL approved only 3) T>200°C on request   |   Deviations from standard types on request.

 
CANTHERM
(800) 561-7207 | sales@cantherm.com
Canadian Thermostats & Control Devices Ltd.