The TAL‑A42‑C Alternator is a compact, low-voltage 4-pole generator alternator for industrial, commercial, and standby power applications, offering flexible excitation and high efficiency.
The TAL‑A42‑C Alternator is a compact, low-voltage 4-pole generator alternator for industrial, commercial, and standby power applications, offering flexible excitation and high efficiency.
OEM Part Number:
TAL-A42-CBrand:
AYREST/Authorized BrandMinimun Order Quantity:
10pcsEX.W Price:
The price base on your quantityThe TAL-A42-C is a low-voltage, 4-pole alternator designed for generator set applications. It is suitable for standby and prime power installations across commercial, telecom, and industrial use. It supports multiple excitation options and flexible winding reconnections to match various voltage requirements.
| Model | TAL-A42-C |
|---|---|
| Power range (typical) | Three-phase: approximately 25 to 63 kVA (50 Hz); single-phase variants may exist. |
| Rated speed | 1500 rpm (50 Hz) or 1800 rpm (60 Hz), depending on model. |
| Poles | 4-pole |
| Insulation class | Class H |
| Excitation system | SHUNT (default), AREP+ (optional), PMG (optional) |
| Voltage range | Reconnectable windings allow multiple voltage configurations (e.g. from ~190 V to 480 V) |
| Leads / Wiring | 6-wire or 12-wire reconfigurable (depending on the version) |
| Ingress protection | Typically IP23 in open alternator versions; enclosed options may vary. |
| Standard AVR option | R120 basic regulator (other models such as R150, R180 available optionally) |
| Efficiency (max) | High-efficiency design, up to ~93–94 % at optimal load region |
| Shaft height | Approximately 180 mm (common value in the A-series family; confirm exact submodel) |
The TAL-A42-C alternator is commonly used in:
Always refer to the official installation & maintenance manual. Key best practices include: align coupling precisely (max radial eccentricity ≤ 0.1 mm), use balanced mounting surfaces, choose the correct AVR type for your load characteristics, and ensure clean electrical connections and cooling airflow.
| Parameter | Typical Value / Comment |
|---|---|
| Model family | TAL A-series (e.g. A40, A42, A44) — TAL-A42-C belongs to A42 series |
| kVA (50 Hz) | ~25 to 63 kVA (three-phase version) |
| Speed | 1500 / 1800 rpm |
| AVR type | R120 standard, other models optional |
| IP rating | IP23 (for open alternator) |
The TAL alternator series includes multiple subtypes, each differing in rated kVA, number of leads, excitation method, AVR type, and enclosure options. When requesting a quote or spare parts, please provide:






