Yueqing long road electric co.,Ltd
JR30 Series Thermal Relay
Product Detail:
1.Application
JR30 series thermal relay is used in the circuit of 50/60Hz, rated insulation voltage 660V,rated current 0.1-85A for protecting the phase break when the electric motor is overloaded. Therelay has different mechanism and temperature compensation. It can be plugged in CJX5 seriesAC contactor. The product conforms to IEC60947-4-1.
2.Motion Characteristic: Three-phase Balance Motion Tim
| No | Times of the setting current(A) | Motion time | Start conidition | 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 the setting current(A) | Motion time | Start condition | Ambient temperature | |
| 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.Phase-losing Motion Characteristic
| Ratings | Type | JR30-22 | JR30-40 | JR30-85 | ||||||
| Nominal current | Ranges | Ranges | Ranges | |||||||
| Min. | Mid. | Max. | Min. | Mid. | Max. | Min. | Mid. | Max. | ||
| Rated current(A) | 0.14 | 0.1 | 0.14 | 0.16 | ||||||
| 0.21 | 0.16 | 0.21 | 0.25 | |||||||
| 0.33 | 0.25 | 0.33 | 0.4 | |||||||
| 0.52 | 0.4 | 0.52 | 0.63 | |||||||
| 0.82 | 0.63 | 0.82 | 1 | |||||||
| 1.3 | 1 | 1.3 | 1.6 | |||||||
| 2.1 | 1.6 | 2.1 | 2.5 | |||||||
| 3.3 | 2.5 | 3.3 | 4 | |||||||
| 5 | 4 | 5 | 6 | 4 | 5 | 6 | ||||
| 6.5 | 5 | 6.5 | 8 | 5 | 6.5 | 8 | ||||
| 7.5 | 6 | 7.5 | 9 | 6 | 7.5 | 9 | ||||
| 8.5 | 7 | 8.5 | 10 | 7 | 8.5 | 10 | 7 | 8.5 | 10 | |
| 11 | 9 | 11 | 13 | 9 | 11 | 13 | 9 | 11 | 13 | |
| 15 | 12 | 15 | 18 | 12 | 15 | 18 | 12 | 15 | 18 | |
| 19 | 16 | 19 | 22 | 16 | 19 | 22 | 16 | 19 | 22 | |
| 22 | 18 | 22 | 26 | 18 | 22 | 26 | ||||
| 30 | 24 | 30 | 36 | 24 | 30 | 36 | ||||
| 34 | 28 | 34 | 40 | 28 | 34 | 40 | ||||
| 42 | 34 | 42 | 50 | |||||||
| 55 | 45 | 55 | 65 | |||||||
| 65 | 54 | 65 | 75 | |||||||
| 74 | 63 | 74 | 85 | |||||||
| Element No. | 2 heaters | Standard | Standard | Standard | ||||||
| 3 heaters | Option | Option | Option | |||||||
| Aux. Contact | 1NO 1NC | 1NO 1NC | 1NO 1NC | |||||||
| Reset type | Auto/Manual | Auto/ Manual | Auto/Manual | |||||||
| Power consumption | 1.8VA/heater | 1.8VA/heater | 1.8VA/heater | |||||||
| Separate mounting unit | AZ-22H | AZ-40H | AZ-85H | |||||||
| Other model | JR30-22/3 | JR30-40/3 | JR30-85/3 | |||||||
| JR30-22 | JR30-40 | JR30-85 | ||||||||
| JR30-22/L | JR30-40/L | JR30-85/L | ||||||||
| Applied contactors | CJX5-9,12,18,22 | CJX5-32,40 | CJX5-50,65,75,85 | |||||||
