Series 19X MAXI
®
Circuit Breakers
Circuit Protection
10 AMPS & BELOW
TYPICAL CURVE
15 AMPS & ABOVE
TYPICAL CURVE
TEMPERATURE DERATING CURVES
150%
% 0F RATED CURRENT
100%
50%
0%
0º
(-18º)
50º 77º 100º 150º
(10º)(25º)(38º) (65º)
200º 250º 300º
(93º) (121º) (149º)
19X MAXI
®
Circuit Breaker
TEMPERATURE IN DEGREES F°
(TEMPERATURE IN DEGREES C°)
Series 19X MAXI
®
Circuit Breakers
Auto, Manual & Modified Reset
Specifications
Single Pole Thermal Type Breakers
Rating:
8-50A; 14Vdc; 28Vdc (Series 193, 194, & 195)
Interrupt Rating:
150A @ 14Vdc (8-10A versions); 225A@ 14Vdc
(15A version); 300A @ 14Vdc (20A version); 450A@
14Vdc (25-30A versions); 600A @ 4Vdc (35-40A versions);
750A @ 14Vdc (50A version)
Operating Temperature Rating:
–40°F (–40°C) to 185°F (85°C)
Storage Temperature Rating:
–40°F (–40°C) to 260°F (125°C)
Materials:
Grey UL-Rated 94V0 thermoplastic
Termination:
Compatible with fuse blocks accepting MAXI
®
or
ATC
®
blade fuses
Compliances:
SAE J553, SAE J1171 (ignition protected)
10 AMPS & BELOW
TYPICAL CURVE
15 AMPS & ABOVE
TYPICAL CURVE
TIME VS. PERCENT OF RATED CURRENT
500%
% 0F RATED CURRENT
400%
300%
200%
100%
0
5
10 15
20 30 40 100 200 500
TIME IN SECONDS
Dimensions - in(mm)
1.150
(29.21)
(Dims. Shown are for reference only. Contact factory for latest prints)
Terminal Options
Reset Button
(Series 193) (14VDC only)
9.14
(0.360)
4.83
(0.190)
01
02
03
04
23.37
(0.920)
12.70
(0.500)
7.87
(0.310)
17.02
(0.670)
8.38
(0.330)
7.37
(0.290)
5.33
(0.210)
10.29
(0.4100)
4.32
(0.170)
9.40
(0.370)
7.37
(0.290)
5.33
(0.210)
10.29
(0.4100)
4.32
(0.170)
9.40
(0.370)
3.57
(0.141)
0.81
(0.032)
21.34
(0.840)
7.37
(0.290)
11.43
(0.450)
Part Numbering System
Series
Rating
Terminal
Cover
M
®
Marking
1 9
191 – Type I, 14 VDC
192 – Type II, 14 VDC
193 – Type III, 12V/24 VDC
194 – Type I, 24 VDC
195 – Type II, 24 VDC
–
08 – 8 amps
01 – MAXI
10 – 10 amps
02 – Wide ATC
®
15 – 15 amps
03 – Long ATC
®
20 – 20 amps
(w/dimple)
25 – 25 amps
04 – Long ATC
®
30 – 30 amps
(no dimple)
35 – 35 amps
40 – 40 amps
50 – 50 amps (191, 193, 194 only)
–
(Consult factory
for special markings.)
M – Metal*
68
Cooper Bussmann Transportation Products