Circuit Breakers R58 Series Thermal Circuit Breaker D40 Features .250” (6.35mm) Quick Connect Terminals Cannot be Manually Tripped Visual Trip Indicator Push Button to Reset Breaker .440 (11.18) 1.375 (34.93) .050 (1.27) Max Closed Position .660 (16.76) .500 (12.7) .850 (21.59) .425 (10.8) 1.375 (34.93) Knurled Nut Hex Nut M11*1 Thread (Note) .312 (7.92) Note: 1A and 2A types have a 7/16−28 Thread NOTE: Indicator plate shown may NOT be available on all devices. .078 (1.98) Current Rating Amps NTE Type No. Maximuml Resistance Ohms R58−1A 1.0 1.35 (Typ) R58−2A 2.0 0.32 (Typ) R58−3A 3.0 0.225 R58−4A 4.0 0.225 R58−5A 5.0 0.225 R58−6A 6.0 0.175 R58−7A 7.0 0.175 R58−8A 8.0 0.175 R58−10A 10.0 0.125 R58−12A 12.0 0.050 R58−15A 15.0 0.040 R58−20A 20.0 0.030 R58−25A 25.0 0.020 R58−30A 30.0 0.020 R58−35A 35.0 0.020 Flat .556 (14.12) .125 (3.18) Straight Knurl 24 Pitch Hex Nut .625 (15.88) Knurled Nut Electrical Specifications Electrical Characteristics (@ 25 C) Calibration: Will continuously carry 100% of rating. May trip between 101% and 144%, but must trip at 145% of rating at +25 C Maximum Operating Voltages: 50 VDC; 250 VAC, @ 50/60 Hz Dielectric Strength: 1500VAC RMS Resettable Overload Capacity: Ten times rated current Interrupt Capacity: 2000 Amps at 50 VDC 1000 Amps at 250 VAC Trip Times Mechanical Characteristics 1 to 4 Amp Types 5 to 35 Amp Types Rated Load Trip Times Rated Load 100% No Trip 100% Trip Times No Trip 145% Trip in 1 Hour 145% Trip in 1 Hour 200% 10 to 45 Sec. 200% 6.0 to 30 Sec. 400% 3.0 to 14.0 Sec. 400% 1.6 to 4.5 Sec. 600% 1.4 to 7.0 Sec. 600% 0.60 to 1.7 Sec. 800% 0.75 to 4.3 Sec. 800% 0.25 to 0.90 Sec. 1000% 0.50 to 3.4 Sec. 1000% 0.15 to 0.65 Sec. Termination: .250 (6.35) Quick Connect Terminals Shock: Withstands to 10 g Endurance Cycling: Over 1000 cycles at 200% of rated load. Vibration: Withstands to 10 g at 10 to 55 Hz. Weight: Less than 1.5 ozs. (42.5 g) ACCESSORIES NTE TYPE NO. R58−Boot (Note 1) DESCRIPTION Protective Boot w/M11 Thread, Clear Silicon, Waterproof Note 1. Not for use with 1A and 2A types. 92 NTE Electronics, Inc. Voice (973) 748−5089 FAX (973) 748−6224 http://www.nteinc.com