CubeMars G80 KV30

The G80 KV30 is the low-speed winding of the CubeMars G80 gimbal motor. On 24 V it delivers 1 Nm rated and 2.9 Nm peak torque and weighs 315 g. For the G80 the manufacturer states 0.01° precision and a high slot-fill winding. The motor has no driver board and is used with an external FOC driver.

Key features

• Torque for heavy payloads. With 1 Nm rated and 2.9 Nm peak torque it sits one class above the G60. The torque to weight ratio is 9.21 Nm/kg.
• Higher insulation strength. The insulation high-voltage test is 1000 V 5 mA/2 s and insulation resistance is 10 MΩ at 1000 V. On the G35, G40 and G60 these values are 500 V.
• Precise positioning. The manufacturer states 0.01° precision for the G series, with speed and position control modes.
• Large center hole. The large bore suits cable routing and electrical slip ring integration.
• Waterproof and dustproof design. The manufacturer states high water and dust resistance but gives no protection rating on the G80 page.

Applications

Typical applications include gimbals for cinema cameras and heavy lenses, vehicle-mounted stabilized camera and sensor turrets, large radar heads and autonomous driving perception platforms.

Is it enough for your project?

The G80 KV30 delivers 1 Nm continuous and 2.9 Nm peak torque. On a gimbal motor the torque demand is mostly set by how far the center of gravity of the load sits from the axis. For example, a 3 kg camera and lens with its center of gravity 3 cm off the axis needs about 0.88 Nm of static torque (3 × 9.81 × 0.03). That stays within the rated torque but leaves little margin, so improving the balance or moving to the G100 KV10 is worth considering.

At 24 V the no-load speed is 650 rpm and the rated speed 450 rpm. Rated current is 2.8 A, peak current 8.2 A and the torque constant 0.356 Nm/A. For a faster axis, look at the KV60 winding of the same housing.

How it compares to similar models

• G80 KV60. Same housing and torque figures. Its no-load speed is 1300 rpm, in return its rated current is 5.6 A.
• GL80 KV30. The table values of this GL model with the same diameter match the G80 KV30 (1 Nm rated, 2.9 Nm peak, 315 g). The GL80 page also gives a size of Ø87 × 22.3 mm, a 30 mm bore and IP45 protection. Its table lists Kv as 27 rpm/V.
• G100 KV10. One size up. It gives 3 Nm rated and 7.7 Nm peak torque, with 223 rpm no-load speed and a weight of 698 g.

Frequently asked questions

Should I choose KV30 or KV60?

Both windings have the same rated and peak torque. The KV30 gives that torque with half the current (2.8 A against 5.6 A) and suits slow, precise axes. The KV60 turns faster at 1300 rpm no-load.

Is a driver included?

No. The product page lists the driver board option as "no". The motor is used with an external FOC gimbal driver.

What is the difference between the G80 and the GL80?

The electrical figures on both pages are the same. The GL80 page states IP45 protection and the motor size. The G80 page gives no dimensions, so check the 2D drawing PDF for mounting dimensions.

Can a slip ring be fitted?

Yes. The large center hole is designed for slip ring integration and cable routing.

In the box

• G80 KV30 gimbal motor (no driver board)

The manufacturer does not publish a detailed packing list or box size on the G80 page. Ask our team about cables and mounting parts before ordering.

Related products

Our team can help you choose a driver, encoder and mounting solution.

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