LR2 Protective Overload Thernal Relay 25A 36A 93A 240 Volt Electric Switch
Application:
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 HC-D series AC contactor. It is the most advanced thermal relay in the nineties in the world.
Specifications:
♦ Fundamental parameter of the main circuit
♦ Rated insulation voltage 660V
♦ Rated working current 25,36,93A separately
♦ The regulator seal of rated setting current and setting
♦ Current of the thermal component
♦ Auxiliary circuit
♦ There are one pair of NO and NC contact with electric insulation
♦ Rated frequency 50-60Hz
♦ Use group, rated working voltage, appoint thermal current and rated current
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 | ||||
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) |
|
| Type | Number | Setting Range(A) | For Contavtor |
| LR2-D13 | 1301 | 0.10~0.16 | CJX2-09~32 |
| 1302 | 0.16~0.25 | CJX2-09~32 | |
| 1303 | 0.25~0.40 | CJX2-09~32 | |
| 1304 | 0.40~0.63 | CJX2-09~32 | |
| 1305 | 0.63~1 | CJX2-09~32 | |
| 1306 | 1~1.6 | CJX2-09~32 | |
| 1307 | 1.6~2.5 | CJX2-09~32 | |
| 1308 | 2.5~4 | CJX2-09~32 | |
| 1310 | 4~6 | CJX2-09~32 | |
| 1312 | 5.5~8 | CJX2-12~32 | |
| 1314 | 7~10 | CJX2-18~32 | |
| 1316 | 9~13 | CJX2-25~32 | |
| 1321 | 12~18 | CJX2-25~32 | |
| 1322 | 17~25 | CJX2-32 |
Outline & mounting size:
