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RY温度保险丝动作原理 STRCTURE AND OPERATING THEORY
1、RY系列热熔断体由星状簧片、弹簧、感温块构成。
RY series thermal fuse is made up of star contact, spring and thermal pellet.
2、工作原理:热熔断体启动之前电流从左侧引线流向星状簧片通过金属外壳向右侧引线流动。在外部温度达到预定温度时可熔体融化,压缩弹簧变松。 即弹簧膨胀,星状簧片与左侧引线分离,与左侧引线间电流被切断。
In the picture, we can see that current is started from the left down-lead, on the right. When the external temperature reaches operating temperature, and then separate the connection between star contact and the left down-lead. Thus, the current would be totally cut.

特点TRAIT
具有对较大电流的电路作一次性动作切断的能力。
The products have the ability to cut circuit immediately for high current, with non-resettable.
本身内阻较低,尺寸小,便于安装。
The thermal fuse have low internal resistance itself, small size that easy to install.
对外界温度感受灵敏,动作温度准确温度。
The products are sensitive to external temperature and the operating temperature has high accuracy and stability.
额定表RATED FROM
TF额定动作温度Rated Functioning Temperature
TO实际动作温度Operating Temperature
TH保持温度Holding Temperature
TM极限温度Maximum Temperature Limit
|
序号 No. |
型号 Part No. |
TF℃ |
TO℃ |
TH℃ |
TM℃ |
额定电流 Rated current |
额定电压 Rated Voltage |
|
1 |
RY72 |
72 |
72+0-5 |
40 |
150 |
16A |
250V |
|
2 |
RY86 |
86 |
86+0-5 |
59 |
150 |
||
|
3 |
RY94 |
94 |
94+0-5 |
64 |
150 |
||
|
4 |
RY98 |
98 |
98+0-5 |
65 |
150 |
||
|
5 |
RY107 |
107 |
107+0-5 |
69 |
150 |
||
|
6 |
RY112 |
112 |
112+0-5 |
82 |
150 |
||
|
7 |
RY117 |
117 |
117+0-5 |
85 |
150 |
||
|
8 |
RY121 |
121 |
121+0-5 |
90 |
150 |
||
|
9 |
RY126 |
126 |
126+0-5 |
93 |
180 |
||
|
10 |
RY133 |
133 |
133+0-5 |
100 |
180 |
||
|
11 |
RY141 |
141 |
141+0-5 |
111 |
180 |
||
|
12 |
RY156 |
156 |
156+0-5 |
125 |
200 |
||
|
13 |
RY170 |
170 |
170+0-5 |
142 |
200 |
||
|
14 |
RY184 |
184 |
184+0-5 |
150 |
300 |
||
|
15 |
RY194 |
194 |
194+0-5 |
160 |
300 |
||
|
16 |
RY216 |
216 |
216+0-5 |
180 |
380 |
||
|
17 |
RY229 |
229 |
229+0-5 |
200 |
380 |
||
|
18 |
RY240 |
240 |
240+0-5 |
200 |
380 |
|
序号 No. |
型号 Part No. |
TF℃ |
TO℃ |
TH℃ |
TM℃ |
额定电流 Rated current |
额定电压 Rated Voltage |
|
1 |
RY65 |
65 |
65+0-5 |
38 |
100 |
10A 15A |
250V 125V |
|
2 |
RY70 |
73 |
73+0-5 |
46 |
150 |
||
|
3 |
RY72 |
72 |
72+0-5 |
46 |
150 |
||
|
4 |
RY76 |
76 |
76+0-5 |
48 |
150 |
||
|
5 |
RY77 |
77 |
77+0-5 |
48 |
150 |
||
|
6 |
RY84 |
84 |
84+0-5 |
59 |
150 |
||
|
7 |
RY84 |
86 |
86+0-5 |
59 |
150 |
||
|
8 |
RY86 |
86 |
86+0-5 |
59 |
150 |
||
|
9 |
RY91 |
91 |
91+0-5 |
64 |
150 |
||
|
10 |
RY94 |
94 |
94+0-5 |
66 |
150 |
||
|
11 |
RY96 |
98 |
98+0-5 |
69 |
150 |
||
|
12 |
RY98 |
98 |
98+0-5 |
69 |
150 |
||
|
13 |
RY104 |
104 |
104+0-5 |
73 |
150 |
||
|
14 |
RY105 |
107 |
107+0-5 |
73 |
150 |
||
|
15 |
RY107 |
107 |
107+0-5 |
73 |
150 |
||
|
16 |
RY110 |
112 |
112+0-5 |
82 |
150 |
||
|
17 |
RY112 |
112 |
112+0-5 |
82 |
150 |
||
|
18 |
RY113 |
113 |
113+0-5 |
89 |
150 |
||
|
19 |
RY115 |
118 |
118+0-5 |
88 |
150 |
||
|
20 |
RY117 |
117 |
117+0-5 |
91 |
150 |
||
|
21 |
RY121 |
121 |
121+0-5 |
91 |
180 |
||
|
22 |
RY126 |
123 |
123+0-5 |
94 |
180 |
||
|
23 |
RY126 |
126 |
126+0-5 |
94 |
180 |
||
|
24 |
RY128 |
128 |
128+0-5 |
101 |
180 |
||
|
25 |
RY130 |
130 |
130+0-5 |
101 |
180 |
||
|
26 |
RY133 |
133 |
133+0-5 |
104 |
180 |
||
|
27 |
RY139 |
141 |
141+0-5 |
111 |
180 |
||
|
28 |
RY141 |
141 |
141+0-5 |
111 |
180 |
||
|
29 |
RY142 |
142 |
142+0-5 |
111 |
180 |
||
|
30 |
RY153 |
156 |
156+0-5 |
125 |
200 |
||
|
31 |
RY156 |
156 |
156+0-5 |
125 |
200 |
||
|
32 |
RY157 |
157 |
157+0-5 |
125 |
200 |
||
|
33 |
RY169 |
169 |
169+0-5 |
142 |
200 |
||
|
34 |
RY169 |
170 |
170+0-5 |
142 |
200 |
||
|
35 |
RY170 |
170 |
170+0-5 |
142 |
200 |
||
|
36 |
RY172 |
172 |
172+0-5 |
142 |
200 |
||
|
37 |
RY182 |
184 |
184+0-5 |
150 |
300 |
||
|
38 |
RY184 |
184 |
184+0-5 |
150 |
300 |
||
|
39 |
RY192 |
192 |
192+0-5 |
170 |
210 |
||
|
40 |
RY192-1 |
192 |
192+0-5 |
170 |
210 |
||
|
41 |
RY192 |
194 |
194+0-5 |
160 |
300 |
||
|
42 |
RY194 |
194 |
194+0-5 |
160 |
300 |
||
|
43 |
RY216 |
216 |
216+0-5 |
180 |
380 |
||
|
44 |
RY227 |
227 |
227+0-5 |
200 |
380 |
||
|
45 |
RY228 |
228 |
228+0-5 |
200 |
380 |
||
|
46 |
RY229 |
229 |
229+0-5 |
200 |
380 |
||
|
47 |
RY240 |
240 |
240+0-5 |
200 |
380 |
||
|
48 |
RY250 |
250 |
250+0-5 |
200 |
380 |
||
|
49 |
RY260 |
260 |
260+0-5 |
210 |
480 |
参数ELECTRIC PARAMEMETERS
额定电压Rated voltage:125V-250V ,AC
额定电流Rated current:10A-16A
频率Frequency:50 or 60HZ
最大允许插入电流Maximum quantity of electricity allowed:250V AC 10A-16A
尺寸图DIMENSIONAL DRAWING

|
规格标准/Specification and Standard (mm) |
|||||
|
|
A |
B |
C |
D |
E |
|
标准引线 Standard Lead wire |
25±1 |
11±1 |
32±0.1 |
¢1±0.1 |
¢4.0±0.1 |
|
加长引线 Long Lead Wire |
38±1 |
¢1.2±0.1 |
|||
材质&镀层MATERIAL & PLATING

|
No. |
部件Parts |
材料Material |
电镀Electroplating |
|
1 |
引线Lead wire A |
铜Cu |
镀银silver plating |
|
2 |
环氧树脂Epoxy resin |
环氧树脂Epoxy resin |
/ |
|
3 |
绝缘子Isolated lead |
陶瓷Ceramic |
/ |
|
4 |
动作弹簧Trip spring |
不锈钢Stainless steel |
/ |
|
5 |
星触片Star contact |
银silver |
/ |
|
6 |
压缩弹簧Compression spring |
不锈钢Stainless steel |
/ |
|
7 |
圆片Discs |
铜Cu |
/ |
|
8 |
感温熔块Thermal pellet |
有机材料organic material |
/ |
|
9 |
外壳case |
黄铜flacon |
镀银silver plating |
|
10 |
B引线Lead Wire B |
铜Cu |
镀银silver plating |