# KingKong MPT Series Robot Joint Magnetic Encoder (Single)

![KingKong MPT Series Robot Joint Magnetic Encoder (Single)](https://parts.trymaglev.com/img/ac-kingkong-mpt.webp)

Beijing KingKong's axial hollow magnetic encoder for robot joints, five bore sizes (10-30 mm), with battery-backed low-power mode.

- Maglev ID: ac-kingkong-mpt
- Brand: KingKong Technology
- MPN: MPT series (MPT-10-25 to MPT-30-45)
- Category: actuators / Magnetic Encoders
- Origin: CN (maker HQ, factory not confirmed)
- Maker: KingKong Technology (brand, CN)
- NDAA: unknown · Blue UAS: unknown · FCC: n/a
- HTS: 9031.80.80.85 (typical)
- MOQ: unknown · Lead time: unknown
- Confidence: REPORTED

## Price
- 1+: $280 (distributor, 2026-10-30, https://aifitlab.com/products/kingkong-mpt-series-robot-single-encoder; any size; backordered)

## Specifications
- Resolution: 24-bit single-turn (Tamagawa T485 variants 17- or 23-bit)
- Accuracy: ±0.01° (assembly dependent); each unit factory-calibrated; repeatability 0 to ±1 bit
- Max speed: 8,000 rpm (3,000 rpm in battery mode)
- Interface: SSI; BiSS-C; RS-485; RS-422; T485 (Tamagawa-compatible, 17-bit or 23-bit variants); high-speed BUS; PERIOD (1 ms periodic send); baud 2.5 M default, 5 M or 115,200
- Form: off-axis ring kit (hollow; magnet rotor ring + stator PCB ring, 5 mm ring width; thread or bonding rotor, front or front/back stator mount)
- Sensing: magnetoelectric, patterned magnet ring (sensor type not stated)
- Supply: 4.5-5.5 V (5 V); backup battery 2.7-3.6 V
- Bore: rotor ID 9 mm (size 10) to 34 mm (size 35), per datasheet size table
- Outer diameter: stator OD 20 to 45 mm
- Multi-turn: yes, options: normal (lost at power-off), battery-backed (24BM, 3,000 rpm limit in battery mode), or flash (24FM, ±90° rotation allowed unpowered)
- Operating temp: -40 to 85 °C, -40 to 105 °C or -40 to 125 °C (grade A/B/C)

## Links
- Product: https://aifitlab.com/products/kingkong-mpt-series-robot-single-encoder
- Datasheet: none
- CAD: none

## Equivalents
- RLS AksIM-2 Off-Axis Absolute Rotary Encoder (ac-rls-aksim-2)
- ZeroErr eCoder20 RS485 Absolute Magnetic Ring Encoder, 20 mm Bore (ac-zeroerr-ecoder20)

## Sources
- https://aifitlab.com/products/kingkong-mpt-series-robot-single-encoder (sizes, ±0.01° accuracy (assembly dependent), 4.5-5.5 V, ~100 mA, battery 2.7-3.6 V, price, stock)
- https://cdn.shopify.com/s/files/1/0673/6848/5000/files/KingKong_Technogy-MPT_Magnetic_Encoder_Datasheet_v0.6.pdf?v=1789909651 (MPT datasheet v0.6 (linked from seller page): 24-bit, 8,000 rpm, interfaces, sizes, multiturn options, temperature grades)