780 lbs Waterproof DC Electric Linear Actuator J3 250mm Adjustable Stroke (Model: 0041937-3) 2 Channels you need to buy 2

you need to buy 2 extension cables

DC24V±1V (S2PDA-DC24)Output Type: Dry Relays Output (Normally Open and Normally Closed)Maximum Load Voltage of Relay: 240VAC or 28VDCMaximum Load Current of Relay: 30A / each channelQuiescent Current: ≤6mAChannel: 2 CHWorking Frequency: 433

the center distance between the two mounting holes is 1950MM

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780 lbs Waterproof DC Electric Linear Actuator J3 250mm Adjustable Stroke (Model: 0041937-3) 2 Channels you need to buy 2Note: 1) This product does not contain a mounting brackets, please click here to buy. 2) If you need DC power supply for linear actuator, please click here to choose and buy. 3) If you need manual control switch for linear actuator, please click here to choose and buy. 4) If you need wireless remote control switch kit for linear actuator, please click here to choose and buy. Package Include: 1 x Linear actuator J3 1 x Magnetic switch controller 2 x