Footswitches Selection table: contact arrangements l Catalogue model (stock item or to order) m Technically possible (to special order) – not available Options l EEx certificated versions available acc. ATEX 100 a guideline 94/9/EG T II 2 G EEx d II C T6 TÜV 03 ATEX 2043 X Contacts/Pedals Additional features Function Contacts Slow Slow Slow Slow make make make make & & & & break break break break Snap Snap Snap Snap Snap Snap action action action action action action/slow make & break Circuit diagram 1NC/1NO 1NC/1NO 1NC/1NO 1NC/1NO 1 2 3 6 1NC/1NO 1NC/1NO 1NC/1NO 1NC/1NO 2NC/2NO 1NC/2NO Slow make & break Slow make & break Snap action Contacts Ref: Additional features Ref: U1/U1Z U1 U1 U1 Latch switch Emergency stop button Latch switch NA2 Y 4 5 7 8 9 10 SU1/SU1Z SU1Z SU1Z SU1Z SU1 Mi SU1Z/UV1 Pressure point Power contactor Latch switch/power contactor Potentiometer Safety function with pressure point D LS 22 Y/LS 22 RG D 2NC/2NO 2NC/2NO 11 12 U2Z U2Z Pressure point D 2NC/2NO 13 SU2Z Electronic output Pedal protection Pedal latch Foot support Drop down pedal guard ES PS AT FS UK Circuit diagrams 1 54 23 24 23 24 23 24 21 22 21 22 21 22 11 12 11 12 11 12 13 14 13 14 13 14 2 3 4 5 6 Type F1 F2 F3 Pedal 1 – – – Pedal 2 Contact type Contact type Contact type Example: F3 – 1. Type of footswitch requested – F1, F2, F3 or FG 2. Number and type of contact inserts for multiple-pedal switches, list in order from left to right. Example: F3-U1Z/SU1Z/U2Z U1 3. Information about additional functions, design or pedal accessories This must be indicated in the type reference directly after the appropriate contact element. Example: With latch & pressure point – F3-U1Z/SU1Y/U2ZD Pedal 3 Additional function Additional function Contact type Additional function Contact type Pedal independent addition Accessory Accessory Additional function Accessory Additional function Additional function Contact type SU1 Y Switches Ordering instructions for footswitches The following part numbers or type references of our catalogue versions are sufficient to place an order for a Bernstein footswitch. To ensure correct supply of footswitches with non-standard contact combinations or accessories, which are not shown in the catalogue we require the exact type reference. U2 D UN Type F1 Page 56 Type F1 UN Page 58 Type F2 Page 61 Type F2 UN Page 62 Type F3 Page 63 Type F3 UN Page 63 l l – m l l l m l m – m l m m m l m – m l m m m l m – – l – l m m m m l m m – – m – l l m m m m m m – – m – m m m m m – l l l l l m l l m m m m m m m m m m m m m l U1Z m – m m m m m – m m m m m – m m m m m – m m m m m – Circuit diagrams P3 21 22 21 22 13 14 13 14 P1 8 34 25 26 13 14 P2 14 11 7 33 9 12 ) 2 ) 1 10 ) Pressure point 11 ) Latch 1 43 44 43 44 41 42 34 31 32 31 32 33 23 24 23 24 21 22 11 12 11 12 13 14 12 13 2 55