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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
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user in all possible applications.
HI-AMP Reset Circuit Protectors Series 180
Signle Pole Ther mal Type Breakers
Auto, Manual & Switchable
Form No. 180 Hi-Amp
Page 1 of 1
BIF Document: 2065
Bussmann®
Rev. ASB98107
12-16-98
SPECIFICATIONS
Single Pole Thermal Type Breakers
Ratings: 40A to 150A; 30 VDC.
Operating Temperature: –25°F (–32°C) to 180°F (82°C).
Storage Temperature: –30°F (–34°C) to 300°F (149°C).
Applications: Typically used in auxiliary and accessory circuits -- trucks,
buses, RV’s and marine applications. Others might include battery chargers
and DC audio systems. Series 181, 184 & 185 are sealed for engine com-
partment and bilge area applications.
Housing: Thermoset plastic; UL rated 94VO; 311°F (155°C). Stud insulators
are provided on all covered units.
Mounting: Panel or surface.
Indicator: Series 184 & 185 have a unique reset mechanism which provides
visible indication of tripped condition.
Approvals: Complies with SAE Standard J1625
PART NUMBERING SYSTEM
Series
❏❏❏
18
181 – Auto Reset
183 – Auto Reset
184 – Manual Reset
185 – Switchable/Manual
Rating
❏❏❏
040 – 40amps
050 – 50 amps
060 – 60 amps
070 – 70 amps
080 – 80 amps
090 – 90 amps
100 – 100 amps
110 – 110 amps
120 – 120 amps
135 – 135 amps
150 – 150 amps
Mounting
❏–
F – Surface Mount
P – Panel Mount
Terminal Hdwr.
❏❏
00 – Ship w/o nuts
01 – Sems nuts installed
02 – Sems nuts shipped bulk
03 – Stainless Steel Std. nuts &
washers installed
04 – Stainless Steel Std. nuts &
washers shipped bulk
05 – Sems nuts - bulk/eyelets installed
06 – Sems nuts & eyelets installed
07 – Flange gasket & Sems nuts installed
08 – Threaded insert & Sems nuts installed
Marking
❏❏
0 – Blank cover
1 – Standard Marking; Part Number,
Amp Rating
181, 184, 185 Series - Top Surface
183 Series - Side Surface
Consult factory for special markings.
600%
500%
500200100403020151050
400%
300%
200%
200%
150%
100%
50%
0% 100%
TIME VS. PERCENT OF RATED CURRENT
TIME IN SECONDS
% 0F RATED CURRENT
% 0F RATED CURRENT
-50º 50º 77º 100º 150º 200º 250º0º
TEMPERATURE IN DEGREES F.
TEMPERATURE DERATING CURVES
RESET
1.05"
(26.67)
2.23"
(56.64)
2.89"
(73.41)
1.44"
(36.58) 1.79"
(45.47)
.66"
(16.76)
1.09"*
(27.69)
.40" (10.16)
1.90"
(48.26)
Stud insulators
.26" (6.60) dia.
Mtg.holes (2) Reset lever
(Shown in
operating
position)
.26" (6.60) dia. Mtg.holes (2) Reset lever
(Shown tripped)
1/4"-28 Studs
Molded cover Molded cover
*Overall heights of Series 181 &183
Trip button (Series 185)
.57"
(14.49) 1.06"
(26.92)
.31" (7.87)
.89"
(22.61)
1.44"*
(36.58)
Tamper proof
cover
1.90"
(48.26)
2.91"
(73.91) 2.41"
(61.21) 1.54"
(39.12)
Surface Mount Panel Mount
NEW!
Flange mount
gasket for
through-wall
applications
(option 07)
Dimensions
