Bussmann
®
MAXI
®
Circuit Breakers
Auto, Manual & Modified Reset Circuit Protectors
Dimensions
Series 190
Reset Button (Series 193 only)
1.15"
(29.21)
.36"
(9.14)
.25" (6.35)
.89"
(22.61)
.22"
(5.59)
Maximum button
extension in
tripped position
.11"
(2.79)
Series 190 MAXI
Auto, Manual & Modified Reset
Circuit Protectors
®
.67"
(17.02)
.03"
(.76)
Terminal Options
SPECIFICATIONS
Single Pole Thermal Type Breakers
Ratings:
8A to 50A; Series 191 & 192
12 VDC; Series 193, 194 & 195 24 VDC.
Operating Temperature:
–20°F (–10°C) to 150°F (65°C).
Storage Temperature:
–20°F (–10°C) to 200°F (93°C).
Applications:
Trucks, RV’s, buses, boats, portable gener-
ators, welding equipment, etc.
Interchangeable Blade Terminals:
with MAXI
®
blade fuse.
Approvals:
Complies with SAE standard J553.
PART NUMBERING SYSTEM
Series
Rating
Terminal
Cover
.31"
(7.87)
.84"
(21.34)
01
MAXI
.50"
(12.70)
.25"
(6.35)
.42"
(10.67)
.50"
(12.70)
05
.250 QC
Button
Marking
1 9
ttt
191 – Auto Reset
192 – Modified Reset
193 – Manual Reset
194 – Auto Reset
195 – Modified Reset
tt
08 – 8 amps
10 – 10 amps
15 – 15 amps
20 – 20 amps
25 – 25 amps
30 – 30 amps
35 – 35 amps**
40 – 40 amps**
50 – 50 amps**
–
tt
01 – MAXI
05 – .250 Q.C.
t
M – Metal*
P – Plastic
–
t
Blank – No button
1 – Black
2 – White
t
Consult factory
for special markings.
* Metal cover aids heat dissipation.
Mandatory for Modified Resets.
Recommended, but not mandatory on Auto Resets.
** Only available on 01 Terminal.
10 AMPS & BELOW
TYPICAL CURVE
15 AMPS & ABOVE
TYPICAL CURVE
10 AMPS & BELOW
TYPICAL CURVE
15 AMPS & ABOVE
TYPICAL CURVE
TEMPERATURE DERATING CURVES
150%
% 0F RATED CURRENT
% 0F RATED CURRENT
50º 77º 100º 150º
200º
250º
TEMPERATURE IN DEGREES F.
300º
TIME VS. PERCENT OF RATED CURRENT
500%
400%
300%
200%
100%
0
5
10 15
20 30 40 100 200 500
TIME IN SECONDS
100%
50%
0%
0º
The only controlled copy of this BIF document is the electronic read-only version located on the Bussmann Network Drive. All other copies of this BIF document are by definition uncontrolled. This bulletin is intended to
clearly present comprehensive product data and provide technical information that will help the end user with design applications. Bussmann reserves the right, without notice, to change design or construction of any
products and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been select-
ed, it should be tested by the user in all possible applications.
12-16-98
SB98107 Rev. A
Form No. 190 MAXI
Page 1 of 1
BIF Document: 2080
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