ST/STC Series Brush Alternator Heads 2-24 kW Single-Phase & 3-75 kW Three-Phase - OEM Manufacture, 18-Month Warranty

OEM-manufactured ST/STC series brush alternator heads from the Kinroter works in Fuzhou, covering 2-24 kW in single-phase and 3-75 kW in three-phase. The series uses a harmonic excitation system with rotary field and star connection with neutral point, self-regulating without an AVR, and is rated for continuous or standby duty at 1500 rpm / 50 Hz (1800 rpm / 60 Hz builds available). These heads suit lighting towers, small generating sets, farm and workshop standby plant and pump drives. They are a Chinese-manufactured alternative in the same single-phase 7-7.5 kW class as Western units such as the Leroy-Somer LSA 37 M7 - not a guaranteed bolt-on replacement, so confirm shaft, flange and coupling details with us before ordering. The factory produces 100,000 units a year and offers full OEM branding. KEY FEATURES - 2-24 kW single-phase (230/115 V series/parallel) and 3-75 kW three-phase (400/230 V) from one factory - 4-pole, 1500 rpm / 50 Hz with 1800 rpm / 60 Hz option - right or left rotation, direct or V-belt drive - Harmonic excitation, rotary field, star connection with neutral - self-regulating, no AVR required - 18-month manufacturer's warranty - OEM branding and custom builds from a 100,000 unit/year production line - Plywood case export packing; HS 8501610000 TECHNICAL SPECIFICATIONS Model range: ST-2 to ST-24 single-phase; STC-3 to STC-75 three-phase Voltage: 230/115 V single-phase (series/parallel); 400/230 V three-phase Frequency / speed: 50 Hz / 1500 rpm or 60 Hz / 1800 rpm Poles: 4 Power factor: 1.0 single-phase / 0.8 three-phase Excitation: AC harmonic excitation, brush type, rotary field Duty: Continuous (common unit) or standby Operating conditions: Altitude <=1000 m; cooling air -15 to +40 deg C; relative humidity <=90% Cooling: Water-cooled class on the genset side of the range; alternator itself is open, fan-ventilated Brand / origin: Kinroter (OEM available), Fuzhou, China Warranty: 18 months WEIGHT & DIMENSIONS Supplier-published packing for this series: plywood case of 62 x 35 x 53 cm with a gross weight of 85 kg (quoted for the smaller frames; larger STC ratings ship in bigger cases). Exact per-model crate weight and dimensions are confirmed on the packing sheet at order - tell us the rating you need and we will include the factory's figures with your quotation. SOURCING & ORDER NOTES - MOQ: 1 piece (single-unit sample orders accepted) - Quantity pricing at 1 / 5 / 10 / 50 units on request - see the bulk codes below - Lead time: confirmed at order (factory capacity 100,000 units/year) - OEM nameplates and customer-specified voltage/frequency available BULK ORDER DISCOUNTS Save on volume with our shop-wide bulk discount codes (each applies to orders of the same item at or above its minimum quantity, at checkout): - OMNI-RCED-6AN5: 5% off when you order 5 or more of the same head - OMNI-AHZQ-URR7: 8% off when you order 10 or more of the same head - OMNI-C4P4-DPD6: 12% off when you order 50 or more of the same head Codes are valid for orders placed through OmniList checkout. For project-scale volumes (mixed models, containers, OEM runs) contact us directly for a bespoke quotation. Bulk Order Discounts 5+ units: 5% off - use code OMNI-RCED-6AN5 10+ units: 8% off - use code OMNI-AHZQ-URR7 50+ units: 12% off - use code OMNI-C4P4-DPD6 SEARCH TERMS ST STC alternator, generator head OEM, single phase generator head, three phase generator head, 18 month warranty, Fuzhou manufacturer, 发电机头 OEM, 三相发电机头, ST STC 发电机, 定制发电机

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