JR29 series thermal relay conforms to IEC60947-4-1 stardand.voltage up to 660V,current up to 500A, 50/60Hz.
1. ApplicationJR29 series thermal overload relay is mainly suitable for A.C.electric power system with volt-age up to 660V, current up to 500A, 50/60Hz. It is generally used for the protection of overloadand phase-lacking in circuits with three-phase induce motors and is often made up electromag-netic starters with CJX8 series A.C. contactors. The product conforms to IEC60947-4-1 stardand.Noter: JR29-16 is manually reset automatic to the other.
| 2. Motion Characteristic: Three-phase Balance Motion Time |
| No | Times the setting current | Motion time | Start conidition | Ambient temperature | | 1 | 1.05 | >2h | cold state | 20oC±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 |
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| 3. Phase-losing Motion Characteristic |
| No | Times the setting current | Motion time | Start condition | Ambient temperature | | Any two phase | Another phase | | 1 | 1.0 | 0.9 | >2h | cold state | 20oC±5oC | | 2 | 1.15 | 0 | <2h | heat state (Following the No.1 test) |
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4. Specification
| Type | Setting Range(A) | For Contactor | JR29-16 | 0.11~0.16 | CJX8-09 CJX8-16 | | 0.14~0.21 | | 0.19~0.29 | | 0.27~0.4 | | 0.35~0.52 | | 0.42~0.63 | | 0.55~0.83 | | 0.7~10. | | 0.9~1.3 | | 1.1~1.5 | | 1.3~1.8 | | 1.5~2.1 | | 1.7~2.4 | | 2.1~3 | | 2.7~4 | | 3.4~4.5 | | 4~6 | | 5.2~7.5 | | 6.3~9 | | 7.5~11 | | 9~13 | | 12~17.6 |
| | | Type | Setting Range(A) | For Contactor | JR29-25 | 0.1~0.16 | CJX8-25 CJX8-30 | | 0.16~0.25 | | 0.25~0.4 | | 0.4~0.63 | | 0.63~1 | | 1~1.4 | | 1.3~1.8 | | 1.7~2.4 | | 2.2~3.1 | | 2.8~4 | | 3.5~5 | | 4.5~6.5 | | 6~8.5 | | 7.5~11 | | 10~14 | | 13~19 | | 18~25 | | 24~32 | | - | | - | | - | | - |
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| Type | Setting Range(A) | For Contactor | JR29-45 | 0.28~4 | CJX8-37 CJX8-45 | | 0.35~0.52 | | 0.45~0.63 | | 0.55~0.83 | | 0.7~1 | | 0.86~1.3 | | 1.1~1.6 | | 1.4~2.1 | | 1.8~2.5 | | 2.2~3.3 | | 2.8~4 | | 3.2~5.2 | | 4.5~6.3 | | 5.5~8.3 | | 7~10 | | 8.6~13 | | 11~16 | | 14~21 | | 18~27 | | 25~35 | | 30~45 | | - | | - | | - |
| | | Type | Setting Range(A) | For Contactor | | JR29-85 | 6~10 | CJX8-65 CJX8-85 | | 8~14 | | 12~20 | | 17~29 | | 25~40 | | 35~55 | | 45~70 | | 60~100 | JR29-105 | 27~42 | CJX8-105 | | 36~52 | | 45~63 | | 57~82 | | 70~105 | | 80~115 | | JR29-170 | 90~130 | CJX8-170 | | 100~160 | | 140~200 | | JR29-250 | 100~160 | CJX8-250 | | 160~250 | | 250~400 | | JR29-370 | 100~160 | CJX8-370 | | 160~250 | | 250~400 | | 310~500 |
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JR29 series thermal relay
