Spektrum - RC Firma Sensorless Brushless Motor (3300Kv)

The Spektrum Firma 3300KV Sensorless Brushless Motor delivers smooth, efficient, and powerful performance for a wide range of 1/10 scale RC applications. Designed with precision engineering and high-quality components, this motor provides excellent acceleration, strong torque, and consistent output—making it a reliable upgrade for both on-road and off-road vehicles.

Its 4-pole rotor design offers improved low-end control and greater efficiency compared to 2-pole motors, while the sensorless system ensures simplified installation with fewer wires. The motor remains cool and efficient even under extended runtime, thanks to its optimized internal structure and 82% operating efficiency. Pre-installed 4mm bullet connectors and extended motor wires allow for easy, clean installation in most 1/10 scale models.

Features:

• High-performance 3300KV sensorless brushless motor designed for 1/10 scale RC vehicles
• 4-pole rotor delivers strong torque, smooth throttle response, and improved efficiency
• Compatible with 2S–3S LiPo batteries for versatile power options
• Durable construction ensures long runtime life and consistent performance
• Pre-installed 4mm male bullet connectors for easy plug-and-play setup
• Efficient 82% operating design helps reduce heat buildup during use
• Suitable for bashing, racing, and high-speed on-road applications
• Lightweight and compact motor can fit a wide range of chassis layouts

Specifications:

• Operating Voltage: 2S–3S LiPo / up to 12.6V
• KV Rating: 3300KV
• No-Load Current @ 12V: 4.5A ± 1.0A
• Max Continuous Current: 33A
• Power Output: 430W (2S) / 780W (3S)
• Efficiency: 82%
• Motor Diameter: 36mm
• Motor Length: 52mm
• Weight: 200g
• Shaft Extension Length: 15mm ± 0.5mm
• Shaft Diameter: 3.175mm (1/8")
• Rotor Type: 4-Pole
• Connector Type: 4mm Male Bullet
• Wire Length: 120mm ± 10mm