FK SERIES The FK series foot switches are suitable for light and medium duty applications. The medium size, sturdy ABS housing fits up to 3 snap action microswitches rated up to 10A (1/2HP)/250V AC. The momentary and two stage momentary contact types cover almost every demand. With the optional strain reliefs, cables and connectors and the larger pedal, the FK series is a low cost alternative, where no high protection levels are required. This series covers the range between the FM series and the FS series. This foot switch will fit numerous applications, including the following: • Medical equipment (tablet sorter, labeling machines etc.) • Dictation machines • Photo laboratory equipment • Medium industrial machines (storage and retrieval systems, sewing and textile machines, etc.) Warning Please see page 25 in reference to the warning that applies to every application. 12 Altech Corp®, 35 Royal Road, Flemington, NJ 08822-6000 • 908.806.9400 FK1 • Medium size, one pedal foot switch Standard Features • Housing: Gray or black ABS body and pedal cover • Protection Level: IP 43 • Switch Insert: Snap action microswitch, UL/CSA approved Electrical Rating: 10A (1/2HP)/125-250V AC (If used with appropriate cable, see cable chart on page 29) Contact Types: Momentary, two stage momentary Circuit: SPDT-SB, DPDT-SB, 2x SPDT-SB • Strain Relief: Vinyl sleeve • Cable: - Multi conductor, PVC, SJT, 2 m (6 ft. - 6 in.) - Without Cable • Temperature Range: -20°C up to +80°C (-4°F up to +176°F) Type Protection FK1 ... L FK1 SU1 L FK1 SU2 L FK1 SU1DSU1 L FK1 ... K FK1 SU1 K FK1 SU2 K FK1 SU1DSU1 K FK1 ... F FK1 SU1 F FK1 SU1R F FK1 SU1DSU1 F Catalog No. Circuit Function Electrical Switch/Contact Ratings Type Cable 51.901 51.904 51.907 SPDT-SB 10A (1/2HP)/250V AC DPDT-SB 10A (1/2HP)/250V AC 2x SPDT-SB 10A (1/2HP)/250V AC Snap Action, Momentary Snap Action, Momentary Snap Action, Two Stage Momentary None (Solderable) None (Solderable) None (Solderable) 51.903 51.906 51.909 SPDT-SB 10A (1/2HP)/250V AC DPDT-SB 10A (1/2HP)/250V AC 2x SPDT-SB 10A (1/2HP)/250V AC Snap Action, Momentary Snap Action, Momentary Snap Action, Two Stage Momentary 18 AWG/3 Cond. 18 AWG/6 Cond. 18 AWG/6 Cond. 51.902 51.905 51.908 SPDT-SB 10A (1/2HP)/250V AC DPDT-SB 10A (1/2HP)/250V AC 2x SPDT-SB 10A (1/2HP)/250V AC G Gray housing/cable B Black housing/cable None (Terminals) None (Terminals) None (Terminals) IP 43 IP 43 IP 43 IP 43 IP 43 IP 43 IP 43 IP 43 IP 43 Dimensions 21.0 mm (0.83 in.) 42.5 mm (1.67 in.) 12.5 mm (0.49 in.) 163.0 mm (6.42 in.) Options • 3 Switch Inserts available upon request • Strain Relief: - Second vinyl sleeve - Standard straight-through (IP 68) - Bend protection (IP 68) - Trumpet Pull/Bend Protection (IP 68) • Cable: - Shielded cable - Per customer specifications • Connectors: - Per customer specifications • Foot Guard also available Snap Action, Momentary Snap Action, Momentary Snap Action, Two Stage Momentary Level 52.0 mm (2.05 in.) Ordering Information 4.0 mm (0.16 in.) 90.0 mm (3.54 in.) 30.0 mm (1.18 in.) 908.806.9490 (fax) • [email protected] • www.altechcorp.com 13