DAS -

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2 input channels for overwinding signals

Stable 447MHz wireless frequency

Ultra low power design, Low battery alarm.

Certificate of Broadcasting and Communication Equipments

DAS overwinding sensor (OWS) detects overwinding of winches of the crane and out switching signal if detects overwinding. AirSW2 is the transmitter that transmit this signal from the OWS wirelessly to its receiver through 447MHz wireless frequency. With AirSW2, any wiring connections or cable reels for overwinding protector are unnecessary and neither battery replacement by convenient solar powered battery.

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Specifications

Item	Specifications	Remarks
Transmitter Power	Battery (3.7V 2,000㎃h)
Receiver Power	10 ~ 30Vdc
Frequency	447MHz
Transmit Distance	MAX 100m
Switch Input	1 channel
Receiver Output	Relay 1channel (30V, 5A)
Solar Panal	0.29W
Waterproof	IP65
Operating Temp.	-20℃ ~ +80℃
Dimensions	W98 x D32 x H103㎜	same for both

AirSW2 is the transmitter only for DAS overwinding protector OWS.

NOTES

Do not install the harness towards upper direction.

If the voltage of the transmitter indicator is below 3.7V, charge it by exposing it to sunlight or replace the internal battery.

Receiver harness must be wired alogn the structure of the equipment to avoid any damages.

Do not weld any to equipment during devices are installed.

Check wiring connections before use.

12 months warranty is provided after released. Warranty provided only in case of using for designed purpose correctly.

Specifications, design and components can be changed without prior notice to improve its performances.

Wiring & Installations

Combine 2 pins plug of the transmitter (AirSW2-T) and the receptacle of the overwinding protector (OWS).

Wiring connect harnesses of the receiver (AirSW2-R) to the equipment (vehicle).

AirSW2 is powered off when it released to avoid discharging. Disassemble the receiver and turn on the power switch. (pointed by red marker)