Sigma
Fixed (SFA) and drawable (SDA) types, 3 or 4 poles. Rating from 630A to 6300A (5000A and 6300A drawable only), 415V AC. Short circuit breaking capacity up to 100kA. Electronic trip unit, manual or motorized. Wide range of accessories. Compact dimensions.
Datasheet available on request. Mention it in your quote notes.
| Manufacturer | Sigma Elektrik (Istanbul, Turkey) |
|---|---|
| Series | SFA (fixed) and SDA (draw-out) LV air circuit breakers, 3 or 4 poles |
| Rated current | 630, 800, 1000, 1250, 1600, 2000, 2500, 3200, 4000 A (fixed and draw-out); 5000 and 6300 A draw-out only (SDA-5000/6300) |
| Rated operating voltage Ue | 415 V AC; insulation voltage Ui: 1000 V; impulse withstand Uimp: 8 kV |
| Icu at 415 V AC | 80 kA (630-2000 A), 100 kA (2500-6300 A); at 690 V AC: 50 kA / 65 kA |
| Ics at 415 V AC | 50 kA (2000 A frame), 65 kA (3200/4000/6300 A frames); at 690 V AC: 40 kA / 50 kA |
| Trip unit | electronic; long time Ir1 (0.4-1)xIn, 15-480 s; short time (0.4-15)xIn, 0.1-0.4 s; instantaneous In to 50 kA + OFF; earth fault (0.2-0.8)xIn + OFF |
| Operation | manual or motorized versions; utilization category A, B; pollution degree 3 |
| Auxiliary contacts | 4NO+4NC standard |
| Accessories | shunt trip coil, closing coil, undervoltage release (with or without delay, 230/380 V AC), motor operator SAMM-1 (630-2000 A) / SAMM-2 (2500-6300 A), mechanical interlock |
| Note | 4-pole 4000 A ACBs are draw-out type |
From the manufacturer's datasheet. Ratings vary by model, so our engineers confirm the exact specification with your quotation.
Sigma
Breaking capacity 4.5kA, 6kA, 10kA and 15kA. Rated current from 1A to 125A, curves B, C and D. 1-2-3-4 poles. 10kA DC types (6A to 125A) for DC applications. Comply with EN-60898-1 (15kA types: EN-60947-2).
Sigma
Ratings from 16A to 2000A. Available in 1-2-3-4 poles. Short circuit breaking capacity up to 150kA. Thermal-magnetic (fixed or adjustable) and electronic trip units. Wide range of accessories. Complies with EN-60947-2
INAEL
Station Class Polymeric Surge Arrester. Offer unrivaled performance and optimum cost. Ratings up to 132kV, 10kA. Distribution Class Surge Arrester. Metal-oxide, ratings up to 42kV. Nominal discharge current: 10kA, 60Hz.
EKOS
A Ring Main Unit (RMU) is a totally sealed, gas-insulated (SF6 filled) compact switchgear unit. Available in compact and modular type.
Montrelec product assistant · AI
AI assistant: answers may be inaccurate, so please confirm technical details with our engineers. Don't share sensitive information. Chats are kept for 15 days. Privacy: info@montrelec.com.ph
