Series MB2500 Toggles General Specifications Slides Rotaries Keylocks Programmable Illuminated PB Pushbuttons Rockers Electrical Capacity (Resistive Load) C Power Level (code W): Logic Level (code G): Logic/Power Level (code A): Other Ratings Contact Resistance: Insulation Resistance: Dielectric Strength: Mechanical Life: Electrical Life: Nominal Operating Force: Travel: Materials & Finishes Plunger: Bushing: Mounting & Body Frames: Support Bracket: Case: Base: Movable Contactor: Movable Contacts: Stationary Contacts: Terminals: Tilt Tactiles Environmental Data Operating Temp Range: Humidity: Vibration: Shock: Touch Indicators Accessories 3A @ 125V AC 0.4VA maximum @ 28V AC/DC maximum (Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V) Combines W & G ratings Note: See Supplement section to find explanation of operating range. 20 milliohms maximum for silver; 30 milliohms maximum for gold 1,000 megohms minimum @ 500V DC 1,000V AC minimum between contacts for 1minute minimum; 1,500V AC minimum between contacts & case for 1minute minimum 200,000 operations minimum 25,000 operations minimum for silver; 100,000 operations minimum for gold Single pole 2.45N; double pole 3.92N Pretravel .024” (0.6mm); Overtravel .016” (0.4mm); Total Travel .039” (1.0mm) Brass with nickel plating Brass with nickel plating Stainless steel Brass with tin plating Glass fiber reinforced polyester (UL94V-0) Diallyl phthalate resin Phosphor bronze with silver or gold plating Silver alloy (code W); copper with gold plating (code G) Silver with silver plating (code W); copper or brass with gold plating (code G) Copper with silver plating; copper or brass with gold plating –30°C through +85°C (–22°F through +185°F) 90 ~ 95% humidity for 100 hours @ 40°C (104°F) 10 ~ 55Hz with peak-to-peak amplitude of 1.5mm traversing the frequency range & returning in 1 minute; 3 right angled directions for 2 hours 50G (490m/s2) acceleration (tested in 6 right angled directions, with 5 shocks in each direction) Installation Supplement Snap-Action Pushbuttons Mounting Torque: 1.5Nm (13 lb•in) for double nut; 0.7Nm (6 lb•in) for single nut Cap Installation Force: 80N (18 lbf) maximum downward force on actuator Processing Soldering: Wave Soldering Recommended: See Profile B in Supplement section. Manual Soldering: See Profile B in Supplement section. Cleaning: These devices are not process sealed. Hand clean locally using alcohol based solution. Standards & Certifications Flammability Standards: UL94V-0 Case UL : File No. E44145 - Recognized only when ordered with marking on switch. Add “/U” or “/CUL” before dash in part number to order UL recognized switch. All single & double pole models recognized at 3A @ 125V AC or 0.4VA max. @ 28V AC/DC max. CSA: File No. 023535_0_000 - Certified only when ordered with marking on switch. Add “/C” before dash in part number to order CSA certified switch. Single pole & double pole models certified at 3A @ 125V AC or 0.4VA max. @ 28V AC/DC max. C116 www.nkk.com Series MB2500 Snap-Action Pushbuttons Short stroke and light touch. Antijamming design protects contacts from damage due to excessive downward force on the actuator. C Programmable Illuminated PB High torque bushing construction prevents rotation or separation from frame during installation. Pushbuttons Rockers Toggles Distinctive Characteristics Stainless steel frame resists corrosion. Keylocks Longer center solder lug terminal simplifies wiring and soldering. Patented silver contacts of specially composed alloy for hardness. Rotaries Epoxy sealed terminals prevent entry of solder flux and other contaminants. Slides Snap-acting mechanism gives smooth actuation and audible feedback. Bushing Mount Page C118 Bracket PC Mount Page C121 Snap-in Mount Page C124 Touch Tilt Tactiles Prominent external insulating barriers increase insulation resistance and dielectric strength. www.nkk.com C117 Supplement Accessories Indicators Actual Size Toggles Series MB2500 TYPICAL SWITCH ORDERING EXAMPLE C 11 S4 Poles & Circuits Programmable Illuminated PB Pushbuttons Rockers MB25 11 SPDT ON (ON) 21 DPDT ON (ON) W Contact Materials & Ratings B Silver Rated 3A @ 125V AC G Gold Rated 0.4VA max @ 28V AC/DC max B .315” (8.0mm) Diameter C .394” (10.0mm) Diameter Terminals Bushing .315” (8.0mm) Threaded with Keyway Solder Lug A Black 03 .250” (6.35mm) Straight PC B White C Red E Yellow F Green G Blue Slides Tilt Tactiles Switches are supplied without UL, cULus & CSA marking unless specified. UL, cULus & CSA recognized only when ordered with marking on the switch. Specific models, ratings, & ordering instructions are noted on the General Specifications page. Touch DESCRIPTION FOR TYPICAL ORDERING EXAMPLE Indicators MB2511S4W01-BC Red .315” (8.0mm) Diameter Cap SPDT ON-(ON) Circuit Accessories Cap Colors 01 IMPORTANT: Supplement Silver Contacts with 3-Amp Rating C118 C Caps W ( ) = Momentary S4 01 Rotaries Keylocks Snap-Action Bushing Mount Pushbuttons www.nkk.com .315” (8.0mm) Threaded Bushing with Keyway Solder Lug Terminals Series MB2500 Toggles Snap-Action Bushing Mount Pushbuttons POLES & CIRCUITS Normal Down Note: Terminal numbers are not actually on the switch. Pole Model SP MB2511 ON (ON) 3-1 3-2 SPDT DP MB2521 ON (ON) 3-1 6-4 3-2 6-5 DPDT Keyway Rockers Down Throw & Switch Schematics Keyway 3 (COM) 3 (COM) 1 C 2 2 Programmable Illuminated PB 1 6 4 5 BUSHING S4 .315” (8.0mm) Threaded with Keyway (0.6) .024 (2.85) Dia .112 M6 P0.75 Keylocks (8.0) .315 (8.0) .315 (0.8) .031 Rotaries (7.8) .307 Panel Cutouts With Optional Locking Ring Slides With Keyway (5.6) .220 (6.5) Dia .256 (6.5) Dia .256 (6.5) .256 (6.5) Dia .256 (2.2) Dia .087 (0.6) .024 Tactiles Without Keyway Maximum Panel Thickness with Standard Hardware: .134” (3.4mm) AT509 Lockwasher (8.0) .315 2 included with each switch AT507M Locking Ring (6.4) Dia .252 M6 P0.75 1 included with each switch (1.5) .059 (9.0) .354 Brass with nickel plating Steel with zinc/chromate (10.2) Dia .402 Steel with zinc/chromate (0.5) .020 (0.9) .035 (2.0) .079 Tilt AT513M Threaded Hex Nut Optional Hardware (5.5) or .229 .250 Dia or 6.0mm (0.8) .031 (12.0) Dia .472 Indicators Standard Hardware Power Level 3A @ 125V AC G Gold over Brass or Copper Logic Level 0.4VA maximum @ 28V AC/DC maximum Supplement Silver over Silver Accessories CONTACT MATERIALS & RATINGS W Note: Complete explanation of operating range in Supplement section. www.nkk.com Touch Normal Connected Terminals Pushbuttons Plunger Position ( ) = Momentary C119 Series MB2500 Toggles Snap-Action Bushing Mount Pushbuttons TERMINALS Rotaries Keylocks Programmable Illuminated PB Pushbuttons Rockers 01 .250” (6.35mm) Straight PC 03 Solder Lug (4.0) .157 Epoxy Seal (2.0) .079 (2.0) (1.1) .079 .043 Thk = (0.8) .031 C (4.8) .189 3 2 (6.35) (4.8) .250 .189 Epoxy Seal (4.7) Typ .185 3 6 2 5 1 4 1 (1.8) Dia Typ .073 (1.17) .046 Thk = (0.8) .031 (4.7) Typ .185 (1.8) Dia Typ .073 Single Pole Double Pole CAPS & CAP COLORS B AT443 .315” (8.0mm) Diameter Cap C AT442 .394” (10.0mm) Diameter Cap (8.0) Dia .315 (7.6) .299 (8.8) .346 Material: Polycarbonate (10.0) Dia .394 Finish: Glossy Cap Colors Available: (9.0) .354 Material: Polycarbonate (8.0) .315 Finish: Glossy A Black B White C E Red F Yellow Green G Blue Solder Lug Single Pole Keyway Tactiles Slides TYPICAL SWITCH DIMENSIONS (8.0) Dia .315 (2.85) Dia .112 (1.2) .047 M6 P0.75 (13.0) .512 (1.1) x (2.0) Typ .043 x .079 (0.8) Typ .031 (4.7) Typ .185 3 COM 2 NO 1 NC Tilt (4.0) .157 (8.8) .346 (8.8) .346 (2.0) .079 (0.8) (4.5) .031 .177 (14.0) .552 (7.9) .311 Solder Lug Indicators Touch MB2511S4W01-BC Keyway (8.0) Dia .315 (2.85) Dia .112 (1.2) .047 M6 P0.75 (13.0) .512 Accessories Supplement Double Pole (4.7) Typ .185 (8.8) .346 MB2521S4W01-BC C120 (1.1) x (2.0) Typ .043 x .079 (0.8) Typ .031 www.nkk.com (8.8) .346 (0.8) (4.5) .031 .177 (14.0) .552 6 3 COM 5 2 NO 4 1 (4.0) .157 (4.8) .189 (12.7) .500 NC (2.0) Typ .079