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JRS4-F range thermal overload relay is used in AC 50/60Hz, rated current 101A-500A in circuit, for protecting AC motor against overload or phase-breaking. Main for constructionmechanical metallurgical and other industries, protect motor against potential overload and phase-breaking.
type | current adjust range RC (A) | control power (AC-3)50/60Hz | fuse for short-circuit protection (A) | can be combined with the following AC contactor | |||||||
220V KW | 280V KW | 415V KW | 440V KW | 500V KW | 660V KW | 1000V KW | a M | g G |
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JRS4-160F | 101-160 | 33 45 | 63 80 | 63 80 | 75 90 | 90 100 | 129 140 | 150 160 | 160 | 250 | CJX4-115~185F |
JRS4-250F | 158-250 | 59 63 | 100 110 | 110 129 | 129 140 | 132 160 | 180 200 | 160 250 | 250 | 400 | CJX4-150~265F |
JRS4-330F | 206-330 | 75 80 | 129 150 | 132 160 | 147 160 | 185 200 | 220 257 | 330 400 | 330 | 500 | CJX4-225~330F |
JRS4-400F | 250-400 | 90 110 | 160 185 | 180 200 | 180 220 | 220 257 | 280 335 | 400 485 | 400 | 630 | CJX4-265~400F |
JRS4-500F | 320-500 | 129 140 | 200 250 | 220 257 | 250 280 | 295 315 | 375 445 | 526 600 | 500 | 800 | CJX4-330~500F |
JRS4-F range thermal overload relay