Sphere of application
KNR1(LR2-D)series thermal relay can be used in the circuit of 50Hz or 60Hz, rated insulation voltage 660V, rated current 0.1-93A for protecting the phase break when the electric motor is overload.
The relay has different mechanism and temperature compensation& can be pluged in KNC1 series AC contact.
A. Fundamental parameter of the main circuit
Rated insulation voltage 660V;
Rated working current 25, 36, 93A separately;
The regulator seal of rate setting current and setting.
Current of the thermal component
B. Auxiliary circuit
There is a pair of NO and NC contact with electric insulation;
Rated insulation voltage 500V;
Rated frequency 50-60Hz;
Use group, rated working voltage, appoint thermal current and rated current.
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The thermal relays also provide temperature compensation, action indication, automatic and manual reset, stop, and testing functions. The products are characterized by stable and reliable performance. The thermal relays can be plugged into contactors or installed indepe-ndently.Compliant standards: IEC/EN 60947-4-1, IEC/EN 60947-5-1.
2. Motion Characteristic: Three-phase Balance Motion Time
| No |
Times of the setting current |
Motion time |
Start condition |
Ambient temperature |
| 1 |
1.05 |
>2h |
Cold state |
20±5oC |
| 2 |
1.2 |
<2h |
Heat state(Following the No.1 test) |
| 3 |
1.5 |
<4min |
| 4 |
7.2 |
10A |
2s< Tp≤10s |
≤63A |
Cold state |
| 10 |
4s< Tp≤10s |
>63A |
3. Phase-losing Motion Characteristic
| No |
Times of the setting current |
Motion time |
Start condition |
Ambienttemperature |
| Any two phases |
Another phase |
| 1 |
1.0 |
0.9 |
>2h |
Cold state |
20±5oC |
| 2 |
1.15 |
0 |
<2h |
Heat state(Following the No.1 test) |
4. Specification
| pe |
Rated working current of
thermal relay |
Thermal component
Scale of rated current(A) |
| KNR1-13 |
25 |
1301 |
0.10-0.16 |
| 1302 |
0.16-0.25 |
| 1303 |
0.25-0.40 |
| 1304 |
0.40-0.63 |
| 1305 |
0.63-1.0 |
| 1306 |
1.0-1.6 |
| 13×6 |
1.25-2.0 |
| 1307 |
1.6-2.5 |
| 1308 |
2.5-4.0 |
| 1310 |
4.0-6.0 |
| 1312 |
5.5-8.0 |
| 1314 |
7.0-10.0 |
| 1316 |
9.0-13.0 |
| 1321 |
12.0-18.0 |
| 1322 |
17.0-25.0 |
| KNR1-23 |
36 |
2353 |
23.0-32.0 |
| 2255 |
28.0-36.0 |
| KNR1-33 |
93 |
3353 |
23.0-32.0 |
| 3355 |
30.0-40.0 |
| 3357 |
37.0-50.0 |
| 3359 |
48.0-65.0 |
| 3361 |
55.0-70.0 |
| 3363 |
63.0-80.0 |
| 3365 |
80.0-93.0 |
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Company Introduction
Wenzhou Korlen Electric Appliances Co., Ltd, It is a joint venture. My company is a manufacturer including design, development, produce and sale, professional producing MCB, MCCB, RCCB and AC contactor etc. Product enterprises. The company owns import and export power of self-run, expanding Europe and America, Middle East, Southeast Asia etc. Market, set a good Public praise.
The company have more than 1500 workers, including senior engineer among them, engineer at inside of more than 100 technician. And then set up to cover area more than 50 acres, construct area is more than 38000 square meters of the modern industrial zone, providing with the forerunner's standard laboratory and various examination equipments.
Under Korlen people to make great effort unremittingly, designed and developed by oneself, develop and produce the series of MCB, RCCB filled up local blank, attain inter-national advanced level, and acquire more than 20 national patents. The company acquires "30 strong eminent enterprises, top ten of export income, yueqing star class enterprise, attach importance to contract and keeps promise" title of honor for many times past years. Company still the initiative pass ISO 9001 management system verification and 14001 environments management system verification. Our product passed quality verification of domestic and international authority organization like the CB\ SEMKO\ NF\ SIRIM\ SNI\ CE \PCT\ TSE, In the meantime high breaking capacity breaker of our company in this city is the unique product which got " Yueqing famous brand product" by Yueqing people government.
Korlen Electric Appliances is willing to make friends with social public, the world outside businessman join hands together for prosperous society and development to build a brighter future.
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