BM-1 Bimetal Thermal Protector
Bimetal Thermal Switch
Electrical Ratings
AC 250V 9A (VDE/CQC), AC 240V 10A (VDE), AC115V 22A(CQC) AC125V-20A (UL/CSA/VDE) / AC250V-8A (UL/CSA/VDE/KC) DC16V 20A (UL/CSA/CQC), DC24V 10A (UL/CSA)
Model
BM-1 Basic Model
BM-1W High Resistance Model
BM-1U Low Resistance Model
BM-1S Self Holding Model
Temperature setting range (at no load)
30°C ~ 180°C
Terminal Type
A - Terminal on same side
B - Terminal on opposite side
Lead Wire Type (Optional)
None - without wire
L16 - AWG 16
L18 - AWG 18
L20 - AWG 20
L22 - AWG 22
P0.5 - ø 0.5mm Solid Wire
P0.8 - ø 0.8mm Solid Wire
P1.0 - ø 1.0mm Solid Wire
Sleeve (Optional)
None - without sleeve
S - with sleeve
Operating temperature
NO |
CODE |
OPEN(˚C) |
CLOSE(˚C) |
CHATTERING |
RESISTANCE |
1 |
BM-1-030A |
30±5℃ |
(22±8℃) |
less than 10 ms |
50mΩ or less |
2 |
BM-1-035A |
35±5℃ |
(26±9℃) |
less than 10 ms |
50mΩ or less |
3 |
BM-1-040A |
40±5℃ |
(30±10℃) |
less than 10 ms |
50mΩ or less |
4 |
BM-1-045A |
45±5℃ |
(34±11℃) |
less than 10 ms |
50mΩ or less |
5 |
BM-1-050A |
50±5℃ |
(38±12℃) |
less than 10 ms |
50mΩ or less |
6 |
BM-1-055A |
55±5℃ |
(42±13℃) |
less than 10 ms |
50mΩ or less |
7 |
BM-1-060A |
60±5℃ |
(46±14℃) |
less than 10 ms |
50mΩ or less |
8 |
BM-1-065A |
65±5℃ |
(50±15℃) |
less than 10 ms |
50mΩ or less |
9 |
BM-1-070A |
70±5℃ |
(52±15℃) |
less than 10 ms |
50mΩ or less |
10 |
BM-1-075A |
75±5℃ |
(54±15℃) |
less than 10 ms |
50mΩ or less |
11 |
BM-1-080A |
80±5℃ |
(56±15℃) |
less than 10 ms |
50mΩ or less |
12 |
BM-1-085A |
85±5℃ |
(58±15℃) |
less than 10 ms |
50mΩ or less |
13 |
BM-1-090A |
90±5℃ |
(60±15℃) |
less than 10 ms |
50mΩ or less |
14 |
BM-1-095A |
95±5℃ |
(62±15℃) |
less than 10 ms |
50mΩ or less |
15 |
BM-1-100A |
100±5℃ |
(65±15℃) |
less than 10 ms |
50mΩ or less |
16 |
BM-1-105A |
105±5℃ |
(68±15℃) |
less than 10 ms |
50mΩ or less |
17 |
BM-1-110A |
110±5℃ |
(71±15℃) |
less than 10 ms |
50mΩ or less |
18 |
BM-1-115A |
115±5℃ |
(74±15℃) |
less than 10 ms |
50mΩ or less |
19 |
BM-1-120A |
120±5℃ |
(77±15℃) |
less than 10 ms |
50mΩ or less |
20 |
BM-1-125A |
125±5℃ |
(80±15℃) |
less than 10 ms |
50mΩ or less |
21 |
BM-1-130A |
130±5℃ |
(83±15℃) |
less than 10 ms |
50mΩ or less |
22 |
BM-1-135A |
135±5℃ |
(86±15℃) |
less than 10 ms |
50mΩ or less |
23 |
BM-1-140A |
140±5℃ |
(90±15℃) |
less than 10 ms |
50mΩ or less |
24 |
BM-1-145A |
145±5℃ |
(94±15℃) |
less than 10 ms |
50mΩ or less |
25 |
BM-1-150A |
150±5℃ |
(98±15℃) |
less than 10 ms |
50mΩ or less |
26 |
BM-1-155A |
155±5℃ |
(116±15℃) |
less than 10 ms |
50mΩ or less |
27 |
BM-1-160A |
160±5℃ |
(120±15℃) |
less than 10 ms |
50mΩ or less |
28 |
BM-1-165A |
165±5℃ |
(124±15℃) |
less than 10 ms |
50mΩ or less |
29 |
BM-1-170A |
170±5℃ |
(128±15℃) |
less than 10 ms |
50mΩ or less |
30 |
BM-1-175A |
175±6℃ |
(132±15℃) |
less than 10 ms |
50mΩ or less |
31 |
BM-1-180A |
180±6℃ |
(136±15℃) |
less than 10 ms |
50mΩ or less |
Drawings
NO |
PARTS |
MATERIAL |
REMARKS |
1 |
CAN |
STEEL |
t=0.4, Nickel plated steel |
2 |
BIMETAL |
TRUFLEX & SUMITOMO |
t=0.13 |
3 |
M.CONTACT |
Ag alloy, Cu, Fe, CLAD |
Trilayer, t=1.0 , ￠2.3 |
4 |
S.CONTACT |
Ag alloy, Cu, Fe, CLAD |
Trilayer, t=0.61, 3.18 x 2.1 |
5 |
INSULATION |
PETP |
t=0.27, coated dry epoxy |
6 |
PLATE |
STEEL |
t=0.5, Nickel plated steel |
7 |
SLUG |
PURE STEEL |
t=0.95, ￠2.23, Nickel plated steel |
NO |
PARTS |
MATERIAL |
REMARKS |
1 |
CAN |
STEEL |
t=0.4, Nickel plated steel |
2 |
BIMETAL |
TRUFLEX & SUMITOMO |
t=0.13 |
3 |
M.CONTACT |
Ag alloy, Cu, Fe, CLAD |
Trilayer, t=1.0 , ￠2.3 |
4 |
S.CONTACT |
Ag alloy, Cu, Fe, CLAD |
Trilayer, t=0.61, 3.18 x 2.1 |
5 |
INSULATION |
PETP |
t=0.27, coated dry epoxy |
6 |
PLATE |
STEEL |
t=0.5, Nickel plated steel |
7 |
SLUG |
PURE STEEL |
t=0.95, ￠2.23, Nickel plated steel |
Performance curve
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