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Class A power amplifier delay start board /1000W Soft start +Power Switch L3-61
Item ID：ZJ-0388
List Price：US$28.00
Price：US$25.00
Payment Terms
paypal
Shipping
ship to world wide
Availability
in stock
Description
Product Q & A
Review
1000W power amplifier board delay start board. (soft start board)
Compact size, stable operation, 2 mm double-sided printing plate, control relay adopts Songle 30A high-power relay, all-copper quality control transformer, original NE555 time-based IC chip, copper foot metal film resistor, imported capacitor.
The ON-OFF control terminates the power switch of the amplifier without any changes to the original panel.
Basic parameters:
Control power: 50 watts to 1000W Max 1500W (when above1000W, add solder to the solder mask on the back of the printed board.)
Standby power consumption: 2W
Delayed start: 3-5 seconds
Board size: 92 X 70 X 40mm
work voltage: AC220V-AC240V (no 110V version available)
If the user wants to connect the temperature control switch, select 60 to 70 degrees normally closed type. connect at "JP3" and "JP4" two ports. the default price is not include the temperature control switch.
Working principle
When the switch is pressed, relay No. 1 is turned on, and power is supplied to the transformer through the thermistor. The thermistor will heat up after adding the load, and increase the resistance value, thus canceling out the impact of large current. The relay No. 2 will be relayed after 3-5 seconds. At the same time, the thermistor stops working and the relay powers the transformer directly.
The board will include the 16mm Stainless steel switch.(Blue LED color).and 0.5m cable. but the switch will not solder wires. buye can solder it according to actual needs Length.
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