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HLMU Datasheet(PDF) 2 Page - Littelfuse |
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HLMU Datasheet(HTML) 2 Page - Littelfuse |
2 / 2 page © 2016 Littelfuse Protection Relays & Controls www.littelfuse.com/ Rev: 1-A-062716 Protection Relays Voltage Monitoring Relays www.littelfuse.com/hlmu HLMU SERIES time to reset. If the fault is corrected after the restart delay is complete, the output energizes immediately. The restart delay also occurs when line voltage is applied/reapplied. R = Restart Delay on fault correction. The restart delay begins when line voltage is reapplied or when a voltage fault is corrected. This option is normally selected when staggered restarting of multiple motors on a power system is required. N = No Restart Delay. 0.6 second initialization delay on application of line voltage applies. Restart Notes: All restart options remain reset when the following conditions are detected: 1. Phase loss (phase unbalance greater than 25%) 2. Average line voltage less than 120VAC 3. Phase reversal The restart delay begins when the condition is corrected. LED Operation The LED flashes green during the restart delay, then glows green when the output energizes. It flashes red during the trip delay then glows red when the output de-energizes. It flashes red/green if phase reversal is sensed. If a fault is sensed during the restart delay, the LED will glow red during that portion or the full restart delay. Accessories LPSM003ZXID (Indicating), LPSM003Z (Non-indicating) Fuse Holders Littelfuse POWR-SAFE Dead Front holders provide optimum protection to personnel for Class CC and Midget-Style fuses. 600 VAC/DC 0KLK002.T Midget Fuse (2 Amp) 10 x 38 fast acting, high-interrupting capacity, current-limiting type fuse. 600 VAC/500 VDC C103PM (AL) DIN Rail 35 mm aluminum DIN rail available in a 36 in. (91.4 cm) length. P1023-20 DIN Rail Adapter Allows module to be mounted on a 35 mm DIN type rail with two #10 screws. Specifications Line Voltage Type 3-phase delta or wye with no connection to neutral Operating Voltage 200 - 480VAC Range Voltage Adj. Range Frequency 240 200-240VAC 50 or 60Hz 380 340-420VAC 50Hz 480 400-480VAC 60Hz Line Voltage Max. 550VAC AC Line Frequency 50/60 Hz automatically detected Phase Loss ≥ 25% unbalance Response Time ≤200ms Undervoltage & Voltage Unbalance Type Voltage detection with delayed trip & automatic reset Overvoltage Trip Voltage 109 - 113% of the adjusted line voltage Reset Voltage ≅ -3% of the trip voltage Undervoltage Trip Voltage 88 - 92% of the adjusted line voltage Reset Voltage ≅ +3% of the trip voltage Voltage Unbalance Trip Setpoint Adjustable 2 - 10% or specify fixed unbalance of 2 - 10% in 1% increments Reset on Balance ≅ -0.7% unbalance Trip Delay Active On Over/undervoltage, voltage unbalance, over/under frequency Range Adjustable from 1 - 30s or specify fixed delay 1 - 30s in 1s increments Tolerance ± 15% Restart Delay Range Adjustable from 0.6 - 300s; if no restart delay is selected a 0.6s initialization delay applies Tolerance ± 15% Over/Under Frequency ±4%; Reset ±3%; 50/60 Hz Phase Sequence A, B, C, L1, L2, L3 Response Time-Phase Reversal & Phase Loss ≤200 ms Reset Automatic Output Type Isolated Electromechanical Relay Form DPDT Rating 10A resistive @ 240VAC; 8A resistive @ 277VAC; NO-1/4 hp @ 120VAC; 1/3 hp @ 240VAC Life Mechanical - 1 x 106 Electrical (at 10A) - DPDT - 1 x 303 Protection Phase Reversal/Failure ASME A17.1 Rule 210.6 Motors and Generators NEMA MG1 14:30, 14:35 Surge IEEE C62.41-1991 Level B Isolation Voltage ≥ 2500V RMS input to output Circuitry Encapsulated Mechanical Mounting Surface mount with one #10 (M5 x 0.7) screw Note: 0.25 in.(6.35 mm) spacing between units or other devices is required Dimensions H 76.7 mm (3.0”); W 50.8 mm (2.0”); D 41.7 mm (1.64”) Termination Screw terminal connection up to 12 AWG (3.3 mm2) wire Environmental Operating/Storage Temperature -40° to 60°C / -40° to 85°C Humidity 95% relative, non-condensing Weight ≅ 3.9 oz (111 g) |
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