Anti−Vandal Pushbutton, Single Pole Features S76 .748” (19mm) bushing diameter b: Solder Lug (Bottom) .866 (22.0) Dia .287 (7.3) .110 (2.8) x .019 (0.50) .590 (15.0) Dia Epoxy .748 x 1.00 I.S. (19.0 x 1.00 S.I.) .079 (2.0) c: Screw (Assembled) .118 (3.0) .866 (22.0) Dia NTE Type No. NEW Circuitry Action Actuator Diag No. 54−377 SPST−NO OFF (ON) Stainless Steel, Flat S76b 54−378 SPST−NO OFF (ON) Stainless Steel, Curved S76c 54−378E SPST−NO OFF (ON) Stainless Steel, Curved S76c .118 (3.0) .590 (15.0) Dia .098 (2.5) Dia Typ .197 (5.0) .142 (3.6) Specifications Contact Rating: 2A 48VDC max. (resistive load) Initial Contact Resistance: 10 Milliohms (max.) at 1A, 2V Insulation Resistance: 100 Megohms (min.) at 500VDC Dielectric Strength: 2000V RMS (min.) Temperature Rating: −4 to +131 F (−20 to +55 C) Electrical Life: 10,000 cycles min. at full load Mechanical Life: 1,000,000 cycles min. Terminal Type: Refer to Diag No. in Table Mounting Hole: .756 (19.2) SPECIAL NOTE: ( ) = Momentary Function Anti−Vandal Pushbutton, Single Pole Features S77 .866” (22mm) bushing diameter b: Solder Lug (Bottom) .866 x 1.00 I.S. (22.0 x 1.00 S.I.) .118 (3.0) .287 (7.3) .984 (25.0) Dia .110 (2.8) x .019 (0.50) .590 (15.0) Dia Epoxy .142 (3.6) .248 (6.3) .500 (12.7) NTE Type No. 54−379 Circuitry SPST−NO Action OFF (ON) Actuator Diag No. Stainless Steel, Curved S77b SPECIAL NOTE: ( ) = Momentary Function 70 Specifications Contact Rating: 2A 48VDC max. (resistive load) Initial Contact Resistance: 10 Milliohms (max.) at 1A, 2V Insulation Resistance: 100 Megohms (min.) at 500VDC Dielectric Strength: 2000V RMS (min.) Temperature Rating: −4 to +131 F (−20 to +55 C) Electrical Life: 10,000 cycles min. at full load Mechanical Life: 1,000,000 cycles min. Terminal Type: Solder Lug/Quick−Connect Mounting Hole: .756 (19.2) NTE Electronics, Inc. Voice (973) 748−5089 FAX (973) 748−6224 http://www.nteinc.com Security Pushbutton, Single Pole Features S78 .629” (16mm) bushing diameter Curved Actuator .118 (3.0) .708 (18.0) Dia .118 (3.0) .098 (2.5) Dia Typ .472 (12.0) Dia .059 (1.5) .629 x 1.00 IS (16.0 x 1.00 SI) Dia .440 (11.2) .374 (9.5) Flat Actuator .118 (3.0) NTE Type No. Circuitry Action Actuator Diag No. 54−460 SPST−NO OFF (ON) Stainless Steel, Curved S78 54−474 SPST−NO OFF (ON) Nickel Plated Brass, Flat S78 .059 (1.5) Specifications Contact Rating: 100−400mA 48VDC max. (resistive load) Initial Contact Resistance: 50 Milliohms (max.) Insulation Resistance: 1000 Megohms (min.) at 500VDC Dielectric Strength: 2000V RMS (min.) Temperature Rating: −4 to +131 F (−20 to +55 C) Electrical Life: 50,000 cycles min. at 200mA 48VDC Mechanical Life: 1,000,000 cycles min. Terminal Type: Screw Type Mounting Hole: .638 (16.2) SPECIAL NOTE: ( ) = Momentary Function Security Pushbutton, Single Pole Features S79 .748” (19mm) bushing diameter Curved Actuator .142(3.6) .866 (22.0) Dia .590 (15.0) Dia .079 (2.0) .531 (13.5) .118 (3.0) .098 (2.5) Dia Typ .748 x 1.00 IS (19.0 x 1.00 SI) Dia .197 (5.0) .217 (5.5) Flat Actuator NTE Type No. Circuitry Action Actuator Diag No. 54−375 SPST−NO OFF (ON) Nickel Plated Brass, Flat S79 54−376 SPST−NO OFF (ON) Nickel Plated Brass, Curved S79 SPECIAL NOTE: ( ) = Momentary Function NTE Electronics, Inc. Voice (973) 748−5089 .079 (2.0) Specifications Contact Rating: 2A 48VDC max. (resistive load) Initial Contact Resistance: 10 Milliohms (max.) at 1A, 2V Insulation Resistance: 1000 Megohms (min.) at 500VDC Dielectric Strength: 2000V RMS (min.) Temperature Rating: −4 to +131 F (−20 to +55 C) Electrical Life: 10,000 cycles min. full load Mechanical Life: 1,000,000 cycles min. Terminal Type: Screw Type Mounting Hole: .756 (19.2) FAX (973) 748−6224 http://www.nteinc.com 71 Security Pushbutton, Single Pole Features S80 .866” (22mm) bushing diameter b: Solder Lug (Bottom) .142(3.6) .118 (3.0) .110 (2.8) x .019 (0.50) Epoxy .984 (25.0) Dia .590 (15.0) Dia .866 x 1.00 IS (22.0 x 1.00 SI) Dia .079 (2.0) .197 (5.0) .248 (6.3) .500 (12.7) c: Screw (Assembled) .098 (2.5) Dia Typ .197 (5.0) .217 (5.5) .079 (2.0) Specifications NTE Type No. Circuitry Action Actuator Diag No. 54−461 SPST−NO OFF (ON) Nickel Plated Brass, Curved S80c 54−462 SPST−NO OFF (ON) Nickel Plated Brass, Curved S80b 54−463 SPST−NO OFF (ON) Nickel Plated Brass, Flat S80c SPECIAL NOTE: ( ) = Momentary Function Contact Rating: 2A 48VDC max. (resistive load) Initial Contact Resistance: 10 Milliohms (max.) at 1A, 2V Insulation Resistance: 1000 Megohms (min.) at 500VDC Dielectric Strength: 2000V RMS (min.) Temperature Rating: −4 to +131 F (−20 to +55 C) Electrical Life: 10,000 cycles min. full load Mechanical Life: 1,000,000 cycles min. Terminal Type: Refer to Diag No. in Table Mounting Hole: .874 (22.2) Security Pushbutton, Single Pole Features S81 .748” (19mm) bushing diameter .748 x 1.00 I.S. (19.0 x 1.00 S.I.) .134 (3.4) .866 .558 (22.0) (14.18) Dia Dia .079 (2.0) .845 (21.47) .742 (18.85) Specifications NTE Type No. 54−465 Circuitry SPST−NO Actuator Diag No. Nickel Plated Brass, Curved S81 Action ON* OFF* SPECIAL NOTE: ( ) = Momentary Function SPECIAL NOTE: * = Alternate Action (Push ON/Push OFF) 72 NTE Electronics, Inc. Contact Rating: 3A 120VAC or 28VDC, 1.5A 250VAC (1) 1A 120VAC or 28VDC, 0.5A 250VAC (2) (max. resistive load) Initial Contact Resistance: 10 Milliohms (max.) at 3V, 0.1A Insulation Resistance: 10,000 Megohms (min.) Dielectric Strength: 1000V RMS (min.) Temperature Rating: −22 to +185 F (−30 to +85 C) Electrical Life: 10,000(1)/250,000(2) cycles min. full load Mechanical Life: 1,00,000 cycles (min.) Terminal Type: Solder Lug Mounting Hole: .756 (19.2) Voice (973) 748−5089 FAX (973) 748−6224 http://www.nteinc.com Security Pushbutton, Single Pole Features S82 .866” (22mm) bushing diameter Large Actuator 1.142 (29.0) Flat Actuator .492 (12.5) 1.023 (26.0) Dia .866 x 1.00 I.S. (22.0 x 1.00 S.I.) .787 (20.0) Dia .157 (4.0) .118 (3.0) Curved Actuator “O” Ring Seal Specifications NTE Type No. Circuitry Action Actuator Diag No. 54−466 SPST−NO/NC ON (OFF) Stainless Steel, Flat S82 54−468 SPST−NO/NC ON (OFF) Stainless Steel, Curved S82 SPECIAL NOTE: ( ) = Momentary Function Contact Rating: 5A 250VAC max. Initial Contact Resistance: 100 Milliohms (max.) Insulation Resistance: 1000 Megohms (min.) at 500VDC Dielectric Strength: 2000V RMS (min.) Temperature Rating: −4 to +131 F (−20 to +55 C) Electrical Life: 1,000,000 cycles (min.) at 1A 250VAC or 100,00 cycles at full load Mechanical Life: 3,000,000 cycles min. Terminal Type: Solder Lug Mounting Hole: .874 (22.2) Security Pushbutton, Single Pole Features S83 .866” (22mm) bushing diameter Mushroom Head Actuator .984 (25.0) .334 (8.5) .866 x 1.00 I.S. (22.0 x 1.00 S.I.) 1.181 (30.0) Dia .425 (10.8) .157 (4.0) “O” Ring Seal NTE Type No. 54−470 Circuitry SPST−NO/NC Action ON (OFF) Actuator Diag No. Nickel Plated Brass, Black S83 SPECIAL NOTE: ( ) = Momentary Function NTE Electronics, Inc. Voice (973) 748−5089 Specifications Contact Rating: 5A 250VAC max. Initial Contact Resistance: 100 Milliohms (max.) Insulation Resistance: 1000 Megohms (min.) at 500VDC Dielectric Strength: 2000V RMS (min.) Temperature Rating: −4 to +131 F (−20 to +55 C) Electrical Life: 1,000,000 cycles (min.) at 1A 250VAC or 100,00 cycles at full load Mechanical Life: 1,000,000 cycles min. Terminal Type: Solder lug Mounting Hole: .874 (22.2) FAX (973) 748−6224 http://www.nteinc.com 73 Snap Action Security Pushbutton, Single Pole Features S85 .748” (19mm) bushing diameter Curved Actuator .866 (22.0) Dia .748 x 1.00 I.S. (19.0 x 1.00 S.I.) .590 (15.0) Dia .163 (4.15) .142 (3.6) .154 (3.9) .079 (2.0) Flat Actuator .866 (22.0) Dia NTE Type No. Circuitry Action Actuator Diag No. 54−472 SPST−NO OFF (ON) Nickel Plated Brass, Curved S85 54−473 SPST−NO OFF (ON) Nickel Plated Brass, Flat S85 SPECIAL NOTE: ( ) = Momentary Function .531 (13.5) .590 (15.0) Dia .079 (2.0) Specifications Contact Rating: 50mA 24VDC max. (Resistive Load) Initial Contact Resistance: 100 Milliohms (max.) Insulation Resistance: 1000 Megohms (min.) at 500VDC Dielectric Strength: 500V RMS (min.) Temperature Rating: −22 to +158 F (−30 to +70 C) Electrical Life: 1,000,000 cycles at full load Mechanical Life: 100,000 cycles at 300mA 24V Operating Force: 7 N 2 N Terminal Type: Solder lug Mounting Hole: .756 (19.2) Economy Anti Vandal Pushbutton, Single Pole Features S124 .748” (19mm) bushing diameter Flat Actuator .098 (2.5) Dia Typ .862 (21.9) Dia .590 (15.0) Dia M19* 1.0 1.024 (26.0) NEW NTE Type No. Circuitry 54−375E SPST−NO Action OFF (ON) Actuator Diag No. Stainless Steel, Flat S124 SPECIAL NOTE: ( ) = Momentary Function Specifications Contact Rating: 5A 48VDC max. Initial Contact Resistance: 50 Milliohms (max.) initial Insulation Resistance: 100 Megohms (min.) Dielectric Strength: 2000VAC for 1 minute Temperature Rating: −4 to +158 F (−20 to +70 C) Operating Life: 200,000 cycles Terminal Type: Screw Type Mounting Hole: .756 (19.2) 74 NTE Electronics, Inc. Voice (973) 748−5089 FAX (973) 748−6224 http://www.nteinc.com