Gallery View: Synchronous AC motors

The model 50SM18 synchronous AC motor from Changzhou Sanjet Electronics Co. Ltd has 5/6rpm rated speed and ≥2in pull-in torque. The rated voltage and frequency are 220/240V and 50/60Hz. Input power is ≤3W.

The unit is priced at $1. The minimum order requirement is 3,000 units, and the delivery lead time 20 days.

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Hefei Rishang Electrical Appliance Co. Ltd's 49TYJ-E model is a synchronous AC motor rated at 220 to 240V, 50/60Hz. It has ≤3/2.5W and ≤20mA no-load power and current. The speed is 5/6rpm and input torque ≥3kgf•cm. Clockwise or counterclockwise rotation is supported.

The unit has ≥100Mohm insulation resistance, ≤40dB noise and ≤60K temperature rise. The dielectric strength is 1,800VAC, 1mA within 1sec with no breakdown or flashover. Grade E insulation is used.

The motor is priced at $1.20. An order of at least 1,000 units is required, with delivery lead time of 15 days.

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The model 50KTYZ synchronous AC motor from Wuxi Dereo Motor Technology Co. Ltd has 6W input power, and clockwise and counterclockwise run direction. It works on 24, 48, 110 and 220V, 50/60Hz.

The 50x38mm motor with grade B insulation comes in S1 and S2 versions. It is quoted at $4. The model has CCC, CE and UL approval. Applications include monitors, laminators, electric curtains, small-stage curtains, electric valves and waste gas collection machines.

The maker requires a 500-unit minimum order, delivered within 7 days.

ZJTEX Electric Group Co. Ltd offers the 50DTZ model, a synchronous motor with clockwise and counterclockwise rotation, and 1/30rpm speed. The latter specification can be adjusted depending on the requirement.

The 24V/60Hz unit features 3W power. It runs on 140mA. Temperature rise is 40K.

Price is $4.50. The minimum order is 1,000 units and the delivery lead time 35 days.

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