Thyro-A — digital thyristor power controller, 1/2/3 phases, 8–1500 A, 230–500 V
Country: USA · Model: Thyro-A
Thyro-A smoothly sets the power of heaters and transformer loads at 8–1500 A and mains voltages of 230, 400 or 500 V. The family's main series for general industrial heating, it runs furnaces for glass, metal and ceramics, pipeline trace heating, extruders and IR drying.
- Phases
- 1A — 1 phase; 2A — 3-phase load in 2-phase circuit; 3A — 3 phases
- Rated current
- 8, 16, 30, 45, 60, 100, 130, 170, 280, 350, 495, 650, 1000, 1400, 1500 A
- Rated voltage
- 230, 400, 500 V (−57 %…+10 % for H3; −15 %…+10 % for H RL3/H RLP3)
- Frequency
- 47–63 Hz
Technical specifications
| Phases | 1A — 1 phase; 2A — 3-phase load in 2-phase circuit; 3A — 3 phases |
|---|---|
| Rated current | 8, 16, 30, 45, 60, 100, 130, 170, 280, 350, 495, 650, 1000, 1400, 1500 A |
| Rated voltage | 230, 400, 500 V (−57 %…+10 % for H3; −15 %…+10 % for H RL3/H RLP3) |
| Frequency | 47–63 Hz |
| Modes (1A) | TAKT, VAR (phase-angle control), QTM, VT (on request) |
| Control types | H3: U, U²; H RL3: U, U², I, I²; H RLP3: + P |
| Accuracy | ±3 % voltage, ±1.5 % current |
| Load | resistive (Rhot/Rcold up to 6), transformer (peak current limited to 3×Irated) |
| Setpoint | 0(4)–20 mA, 0(1)–5 V, 0(2)–10 V; digital via fieldbus |
| Outputs | relay 250 V / 6 A; analog 0(2)–10 V / 0(4)–20 mA |
| Protection | built-in semiconductor fuse |
| Cooling | natural up to 45 °C, forced (type F) up to 35 °C at rated current |
| Dimensions 1A | from 45×136×129 mm, 0.7 kg (8–30 A) to 239×729×516 mm, 35 kg (1000–1500 A) |
| Certificates | CE, UL 508 (8–350 A), CSA C22.2 No. 14, ISO 9001 |
Replacement for
ROT-63, ROT-160, ROT-250E, ROT-630, ROT-630M, ROT-800E, ROT-1400E (Thyro-A 1A version, single-phase, up to 1500 A, 230/400/500 V)
selected by purpose and main parameters, please confirm with the manager
Replacement pages: РОТ-63, РОТ-160, РОТ-250Е, РОТ-630, РОТ-630М, РОТ-800Е, РОТ-1400Е
Specifications are taken from the manufacturer’s technical documentation. Updated .
Description
Single-phase 1A connects between two phases or phase and neutral and offers full-cycle burst firing TAKT, phase-angle VAR, the fast half-cycle QTM for resistive loads without a transformer and the combined VT. 2A drives a three-phase load in the economical two-phase circuit, and 3A works on all three phases. Level H3 regulates voltage (U, U²), H RL3 adds current (I, I²), load monitoring, current limiting and heaters whose hot resistance is up to 6 times the cold one, and H RLP3 also holds power. Accuracy is ±3 % for voltage and ±1.5 % for current. The setpoint is analog 0(4)–20 mA, 0(1)–5 V or 0(2)–10 V or digital from a PLC via a fieldbus module, with an alarm relay and an analog actual-value output. Mains peaks are cut by the built-in function in QTM and TAKT or externally by dASM or Thyro-Power Manager.
How to choose
The choice rests on the load current from the series 8, 16, 30, 45, 60, 100, 130, 170, 280, 350, 495, 650, 1000, 1400 and 1500 A and on the level H3, H RL3 or H RLP3. Mains tolerance is −57 %…+10 % for H3 and −15 %…+10 % for H RL3 and H RLP3. The single-phase 1500 A unit weighs 35 kg at 239×729×516 mm. For ±1.5 % on voltage plus a display take Thyro-A+, and for up to 5000 A and 1000 V take Thyro-PX.
Request a price and lead time
Thyro-A — digital thyristor power controller, 1/2/3 phases, 8–1500 A, 230–500 V. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
What can replace a ROT-1400E regulator?
A single-phase Thyro-A 1A, whose range covers regulators from ROT-63 to ROT-1400E. Selection is by duty, load current and mains voltage, confirmed with a sales manager.
What cooling does Thyro-A need?
With natural cooling the rated current holds up to 45 °C, and the F version with forced cooling holds it up to 35 °C.
Does Thyro-A work on a transformer?
Yes, in VAR mode the peak current into a transformer load is limited to 3×Irated.
What certifications does Thyro-A have?
CE, UL 508 for 8–350 A, CSA C22.2 No. 14 and ISO quality-system certification. The power section is protected by a built-in semiconductor fuse.
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Need a price, lead time or replacement?
Send us a request and we will confirm the configuration, lead time and delivery terms. We reply by email.