Pull Chain, Single Pole Features S26 Steel Chain w/Rope Cord 1.200 (30.5) .354 (9.0) .413 (10.5) .641 (16.3) .787 (20.0) .480 (12.2) .177 (4.5) .709 (18.0) .374 (9.5) .465 (11.8) 1.969 (50.0) .882 (22.4) 3/8−24 UNF 6.181 (157.0) Ref .551 (14.0) Cover NTE Type No. Base Material Color Diag No. 54−538 SPST ON OFF Nylon 66 Nylon 66 Transparent S26 54−539 SPST ON OFF Nylon 66 Nylon 66 Black S26 Circuitry Action Specifications Current Rating: 6A 125VAC, 3A 250VAC Contact Resistance: 50 Milliohms initial (max.) Insulation Resistance: 100 Megohms (min.) at 500VDC Dielectric Strength: 1000V RMS (min.) for 1 minute Operation Force: 400 plus/minus 200 gram Temperature Rating: +32 to +149 F (0 to +65 C) Electrical Life: 6000 cycles Mechanical Life: 50,000 cycles Terminal Type: 18 AWG, 6” length Mounting Hole: .393 (10.0) Pull Chain, Single Pole Features Sequence − Load 1 On, Load 2 On, Load 1 & 2 On, All Off For Use in Ceiling Fan Applications S27 1.200 (30.5) .652 (16.55) .352 (8.95) .226 (6.0) .413 (10.5) .787 (20.0) .480 (12.2) .177 (4.5) .374 (9.5) .465 (11.8) 1.969 (50.0) .709 (18.0) .882 (22.4) 3/8−24 UNF 6.181 (157.0) Ref .260 (6.6) NTE Type No. 54−540 80 Sequence Cover Load 1 Load 2 Load 1& 2 All Base Material Color Diag No. ON ON ON OFF Nylon 66 Nylon 66 Black S27 NTE Electronics, Inc. Specifications Current Rating: 6A 125VAC, 3A 250VAC Contact Resistance: 50 Milliohms initial (max.) Insulation Resistance: 100 Megohms (min.) at 500VDC Dielectric Strength: 1000V RMS (min.) for 1 minute Operation Force: 400 plus/minus 200 gram Temperature Rating: +32 to +149 F (0 to +65 C) Electrical Life: 6000 cycles Mechanical Life: 50,000 cycles Terminal Type: 18 AWG, 6” length Mounting Hole: .393 (10.0) Voice (973) 748−5089 FAX (973) 748−6224 http://www.nteinc.com