NTE Electronics R58 Series Catalog Page
Features
• .250” (6.35mm) Quick Connect Terminals
• Cannot be Manually Tripped
• Visual Trip Indicator
• Push Button to Reset Breaker
R58 Series
Thermal Circuit Breaker
D40
NTE Type No.
R58−1A 1.0 1.35
R58−2A 2.0 0.32
R58−3A 3.0 0.18
R58−4A 4.0 0.10
R58−5A 5.0 0.026
R58−6A 6.0 0.026
R58−7A 7.0 0.020
R58−8A 8.0 0.020
R58−10A 10.0 0.014
R58−12A 12.0 0.010
R58−15A 15.0 0.010
R58−20A 20.0 0.006
R58−25A 25.0 0.005
R58−30A 30.0 0.004
R58−35A 35.0 0.004
Current Rating
Amps
Typical Resistance
Ohms
Trip Times
1 to 4 Amp Types 5 to 35 Amp Types
Rated Load Trip Times Rated Load Trip Times
100% No Trip 100% 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.
24 Pitch
.050 (1.27) Max
Closed Position
1.375
(34.93)
7/16−28 ThreadHex Nut
.312 (7.92)
.660 (16.76)
.625
(15.88)
.850
(21.59)
.440
(11.18)
.425
(10.8)
Flat
(14.12)
Hex Nut Knurled Nut
1.375
(34.93)
.500 (12.7)
Knurled Nut
.078 (1.98) .125 (3.18)
Straight Knurl
.556
Electrical Specifications
Electrical Characteristics (@ 25°C)
Calibration: Will continuously carry 100% of rating.
Maximum Operating Voltages: 50 VDC; 250 VAC, @ 50/60 Hz
Dielectric Strength: 1500VAC RMS
Resettable Overload Capacity: Ten times rated current
Interrupt Capacity:
Mechanical Characteristics
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)
NOTE: 30A and 35A devices NOT UL or CSA.
May trip between 101% and 144%, but must trip at 145%
of rating at +25°C
2000 Amps at 50 VDC
1000 Amps at 250 VAC
NOTE: Soldering to terminals is not recommended.
NTE Electronics, Inc. D Voice (973) 748−5089 D FAX (973) 748−6224 D http://www.nteinc.com
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