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BCH TSFB Oil Tight Push Button — Standard Flush Button
Made in India
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Available in Saudi Arabia
BCH TSFB — Standard Flush Button, 30.5 mm oil-tight push button operator (Type T) from BCH Electric Limited for machine tools, control panels and motor control centres. The button face is flush with the retaining ring, avoiding accidental operation. Completely dust- and oil-tight with integral seal and neoprene panel gasket. Available in colours: Red (R), Green (G), Black (B), Yellow (Y), Blue (Bl), Orange (O), White (W). Order code TSFB-<colour>; specify contact block (050N1/050N2/050N3) separately.
Specifications
| Operator Type | Standard Flush Button |
| Product Code | TSFB |
| Order Code | TSFB-<colour> (e.g. TSFB-G for green) |
| Available Colours | Red (R), Green (G), Black (B), Yellow (Y), Blue (Bl), Orange (O), White (W) |
| Series | Oil Tight Push Button, Type T (30.5 mm) |
| Utilisation Category | AC11 and DC11 (per IEC-337) |
| Thermal Current (Ith) | 10 A |
| Insulation Voltage (Ui) | 660 V AC or DC |
| AC11 Rating | 6.0A @120V · 3.0A @240V · 1.5A @480V · 1.2A @600V |
| DC11 Rating | 1.1A @125V · 0.55A @250V |
| Contact Combination | 1NO+1NC, 2NO or 2NC (max 4 contact blocks stackable) |
| Life of Operator | 1 × 10⁶ operations |
| Life of Contact Block | 10 × 10⁶ operations |
| Max. Permissible Ambient Temp. | 55 °C |
| Mounting | One hole mounting / Base mounting |
| Terminal Capacity | 2.5 mm² solid or stranded |
| Enclosure Category | Cast aluminium enclosure to IP-65 (IS-2147-1962) |
| Sealing | Completely dust tight & oil tight; neoprene panel gasket; breather holes |
| Button Material | Moulded phenolic formaldehyde |
| Metal Parts | Die-cast zinc, bright nickel-chrome plated |
| Standards | IEC-337 |
