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EKR2 Thermal Overload Relay
Description
| Electric value | AC50/60Hz, 690V, 0.1A~630A |
| Tripping class | 10A |
| Mounting version | Plug-in: Available for CR2-13,23,33 |
Feature
| 3-phase bimetal |
| Continuously readjustable current settings |
| Temperature compensation |
| Tripping indicator |
| Test button |
| Stop button |
| Manual and automatic reset button |
| Electrically separated 1N/O plus 1N/C contact |
Technical Specification
Protection property
| Item | Series No. | I/In | Operating time Tp | Test condition | |
|
Overload protection |
1 | 1.05 | >2 h | Start from cold status | |
| 2 | 1.2 | ≤2h |
Start from heat status, right after item No.1 |
||
| 3 | 1.5 | ≤2min |
Start from heat status, right after item No.1 |
||
| 4 | 7.2 |
2s |
Start from cold status | ||
|
Phase failure protection |
5 | Any two phases | Another phases | >2 h | Start from cold status |
| 1 | 0.9 | ||||
| 6 | 1.15 | 0 | ≤2 h |
Start from heat status, right after item No.5 |
|
Main Technical Data
| Phase failure protection function | Yes |
| Automatic & manual reset | Yes |
| Temperature compensation | Yes |
| Tripping indicator | Yes |
| Test & stop pushbutton | Yes |
| Mounting mode | Plug-in | Yes |
| Independent | Yes | |
| No. of contacts | 1N/O+1N/C |
| Auxiliary contacts | Rated current (A) (AC-15 220V) | 2.73 |
| Rated current (A) (AC-15 380V) | 1.58 | |
| Rated current (A) (DC-13 220V) | 0.2 |
Assembly with contactor
|
Model of overload relay |
Code | Rated current (A) |
Recommended fuse type (Recommended RT16) |
Contactor Matched | |
| aM | gG | ||||
| EKR2-13 | 1301 | 0.1~0.16 | 0.25 | 2 |
EKC1-09 EKC1-12 EKC1-18 EKC1-25 EKC1-32 |
| 1302 | 0.16~0.25 | 0.5 | 2 | ||
| 1303 | 0.25~0.4 | 1 | 2 | ||
| 1304 | 0.4~0.63 | 1 | 2 | ||
| 1305 | 0.63~1 | 2 | 4 | ||
| 1306 | 1~1.6 | 2 | 4 | ||
| 1307 | 1.6~2.5 | 4 | 6 | ||
| 1308 | 2.5~4 | 6 | 10 | ||
| 1310 | 4~6 | 8 | 16 | ||
| 1312 | 5.5~8 | 12 | 20 | ||
| 1314 | 7~10 | 12 | 20 | ||
| 1316 | 9~13 | 16 | 25 | ||
| 1321 | 12~18 | 20 | 35 | ||
| 1322 | 17~25 | 25 | 50 | ||
| EKR2-23 | 2353 | 23~32 | 40 | 63 | EKC1-32 |
| 2355 | 30~40 | 40 | 80 | ||
| EKR2-33 | 3353 | 23~32 | 40 | 63 |
EKC1-40 EKC1-50 EKC1-65 EKC1-80 EKC1-95 |
| 3355 | 30~40 | 40 | 100 | ||
| 3357 | 37~50 | 63 | 100 | ||
| 3359 | 48~65 | 63 | 100 | ||
| 3361 | 55~70 | 80 | 125 | ||
| 3363 | 63~80 | 80 | 125 | ||
| 3365 | 80~93 | 100 | 160 | ||
Wiring
| Items | EKR2-13 | EKR2-23 | EKR2-33 | ||
| Cross section area of conductor mm2 | Main circuit | Single core or stranded wire | 1~4 | 4~10 | 4~35 |
| Wiring screw | M4 | M4 | M10 | ||
| Auxiliary circuit | Single core or stranded wire | 0.5~2.5 | 0.5~2.5 | 0.5~2.5 | |
| Wiring screw | M3.5 | M3.5 | M3.5 | ||
Changan Group Co.,Ltd
Add:No.288 Wei 17th Road, Yueqing Economic Development Zone,
Yueqing, Wenzhou, Zhejiang Province, P.R.China
Tel:+ 0086-577-62763666 62760888
Fax:+0086-577-62774090
Website:https://www.changanelectric.com
Email:sales@changangroup.com.cn
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