Thermal Circuit Breakers, R59 Series

Features Replaces slow blow glass cartridge fuse .250" (6.35mm) Quick Connect terminals Snap-in mounting Visual trip indicator Push button to reset breaker

Electrical Characteristics Electrical Characteristics (@ 25°C)
Calibration: Will continuously carry 100% of rating. 0.25 to 2 Amp types: May trip between 101% and 174%, but must trip at 175% of rating within one hour at +25°C. 3.0 to 20 Amp types: May trip between 101% and 134%, but must trip at 135% of rating within one hour at +25°C.
Maximum Operating Voltages: 32 VDC; 250 VAC, @ 50/60 Hz
Dielectric Strength: 1500VAC RMS
Resettable Overload Capacity:
0.25 to 2 Amp types: Six times rated current
3.0 to 20 Amp types: Ten times rated current
Reset Time: 0.25 to 2 Amp types: 180 seconds max.
3.0 to 20 Amp types: 10 to 60 seconds typ.
Interrupt Capacity: 1000 Amps @ 250VAC, 50/60Hz and 32 VDC in accordance with UL standard 1077

Mechanical Characteristics
Termination .250" (6.35mm) Quick Connect Terminals
NOTE: Soldering to terminals is not recommended.
Mounting: Snaps into panel from front
(See recommended Panel Cutouts)
Weight: 0.35ozs. (10g) approx.

Back to Top

Dimensional Drawings
D41 


Cutout 

Back to Top

Part Numbers

DC OPERATED
NTE Type No.	Current Rating (Amps)	Typical Resistance (Ohms)
R59-0.25A	0.25	14.0
R59-0.5A	0.50	3.55
R59-1A	1.0	0.89
R59-2A	2.0	0.17
R59-3A	3.0	0.069
R59-4A	4.0	0.043
R59-5A	5.0	0.030
R59-6A	6.0	0.026
R59-7A	7.0	0.017
R59-8A	8.0	0.016
R59-10A	10.0	0.011
R59-12A	12.0	0.009
R59-15A	15.0	0.007
R59-20A	20.0	0.007

Trip Times

0.25 to 2 Amp Types		3 to 20 Amp Types
Rated Load	Trip Times	Rated Load	Trip Times
100%	No Trip	100%	No Trip
175%	Trip in 1 Hr.	135%	Trip in 1 Hr.
200%	4.5 to 28 Sec.	200%	2.2 to 15 Sec.
400%	1.0 to 6.5 Sec.	400%	0.55 to 1.8 Sec.
600%	0.4 to 4.0 Sec.	600%	0.27 to 0.7 Sec.
-	-	800%	0.17 to 0.45 Sec.
-	-	1000%	0.12 to 0.3 Sec.