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1.Application |
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JR28N series thermal relay is suitable for using in the circuits rated voltage up to 660V, rated current 93A AC 50/60Hz, for over-current protection of AC motor. The relay has the differential mechanism and temperature compensation and can plug in CJX2N series AC contactor. The product conforms to IEC60947-4-1 stardand. |
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2.Motion Characteristic: Three-phase Balance Motion Time |
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No |
Times of the setting current(A) |
Motion time |
Start conidition |
Ambient temperature |
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1 |
1.05 |
>2h |
Cold state |
20±5°C |
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2 |
1.2 |
<2h |
Heat state (Following the No.1 test) |
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3 |
1.5 |
<4min |
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4 |
7.2 |
10A |
2s<Tp≤10s |
≤63A |
Cold state |
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10 |
4s<Tp≤10s |
>63A |
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3.Motion Characteristic: Three-phase Balance Motion Time |
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| No |
Times of the setting current(A) |
Motion time |
Start condition |
Ambient temperature |
| Any two phases |
Another phase |
| 1 |
1.0 |
0.9 |
>2h |
Cold state |
20±5°C |
| 2 |
1.15 |
0 |
<2h |
Heat state (Following the No.1 test) |
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4.Specification |
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| Type |
Number |
Setting range (A) |
For contactor |
JR28N-25 |
D01 |
0.10~0.16 |
CJX2N-09~38 |
| D02 |
0.16~0.25 |
CJX2N-09~38 |
| D03 |
0.25~0.40 |
CJX2N-09~38 |
| D04 |
0.40~0.63 |
CJX2N-09~38 |
| D05 |
0.63~1 |
CJX2N-09~38 |
| D06 |
1~1.7 |
CJX2N-09~38 |
| D07 |
1.6~2.5 |
CJX2N-09~38 |
| D08 |
2.5~4 |
CJX2N-09~38 |
| D10 |
4~6 |
CJX2N-09~38 |
| D12 |
5.5~8 |
CJX2N-09~38 |
| D14 |
7~10 |
CJX2N-09~38 |
| D16 |
9~13 |
CJX2N-09~38 |
| D21 |
12~18 |
CJX2N-09~38 |
| D22 |
16~24 |
CJX2N-09~38 |
| D53 |
30~38 |
CJX2N-09~38 |
JR28N-36 |
2353 |
23~32 |
CJX2N-25~32 |
| 2355 |
30~40 |
CJX2N-25~32 |
JR28N-93 |
3322 |
17~25 |
CJX2N-40~95 |
| 3353 |
23~32 |
CJX2N-40~95 |
| 3355 |
30~40 |
CJX2N-40~95 |
| 3357 |
37~50 |
CJX2N-50~95 |
| 3359 |
48~65 |
CJX2N-50~95 |
| 3361 |
55~70 |
CJX2N-65~95 |
| 3363 |
63~80 |
CJX2N-65~95 |
| 3365 |
80~93 |
CJX2N-95 |
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