Series 18X Hi-Amp Circuit Breaker Auto, Manual & Switchable Reset Circuit Breakers Specifications Single Pole Thermal Type Breakers Applications: Typically used in auxiliary and accessory circuits in truck, bus', RVs and marine systems. Others include battery chargers and DC audio systems. Series 181, 184 & 185 are sealed for engine compartment and bilge area applications. Rating: 25-150A, 30Vdc; 48Vdc (Series 184 & 185) Interrupt Rating: 3000A @ 30Vdc Operating Temperature Rating: -25F (-32C) to 180F (82C) Storage Temperature Rating: -30F (-34C) to 300F (149C) Materials: Black UL-rated 94V0 thermoset plastic. Thermoplastic elastomer stud insulators are provided on covered units with F-style (surface-mount) bases Marking: Standard marking includes amp ratings and part numbers. Custom markings also available. Termination: 1/4-28 threaded studs Torque Rating: 50 in-lbs (5.6N*m) max Mounting Torque Rating: Panel or surface-mount options; 50 in-lbs (5.6N*m) max. Threaded insert option has a max torque of 25 in-lbs (2.8N*m). Ingress Protection Rating: IP67 Features / Options: Series 184 & 185 have a unique reset mechanism which provides visual indication of tripped condition. Series 185 also features a push-to-trip option Compliances: SAE J1625; ABYC E-11; CE; SAE J1171 (ignition protected) (Dims. shown are for reference only. Consult factory for latest prints) .26 (6.60) dia. Mtg.holes (2) 1.05 (26.67) 2.91 (73.91) Reset lever (Shown tripped) 1.54 (39.12) 1.90 (48.26) 1.44 (36.58) Tamper proof cover Molded Trip button (Series 185) cover .31 (7.87) .66 (16.76) 50% 0% -50 0 50 77 100 150 200 250 (-45) (-18) (10)(25)(38) (65) (93) (121) TEMPERATURE IN DEGREES F (TEMPERATURE IN DEGREES C ) 500% 400% 300% 200% 100% 1.79 (45.47) 1.44* (36.58) *Overall heights of Series 181 &183 .57 (14.49) 0 5 10 15 20 30 40 100 200 500 TIME IN SECONDS Flange mount gasket for thru-wall applications (option 07) .89 (22.61) 1/4-28 Studs .40 (10.16) 100% 600% Molded cover 1.09* (27.69) 150% TIME VS. PERCENT OF RATED CURRENT 1.90 (48.26) Stud insulators TEMPERATURE DERATING CURVES T SE 2.23 (56.64) 2.41 (61.21) Panel Mount RE 2.89 (73.41) Reset lever (Shown in operating position series 184/185) .26 (6.60) dia. Mtg.holes (2) % 0F RATED CURRENT Surface Mount 200% % 0F RATED CURRENT Dimensions - in(mm) 1.06 (26.92) Part Numbering System Series Rating Mounting Terminal Hdwr. 025 - 25 amps 030 - 30 amps 035 - 35 amps 040 - 40 amps 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 F - Surface Mount P - Panel Mount 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 07 - Flange gasket & Sems nuts installed (Panel Mount Only) 08 - Threaded insert and Sems nuts installed 12 - Stainless steel nuts and lockwashers installed 13 - Stainless steel Sems nut installed 1 8 181 - Type I, 30V 183 - Type I*, 30V 184 - Type III, 42V 185 - Type III-PTT, 42V *183 Available in Panel Mount Only (Coverless) 71 - - Marking 0 - Blank cover 1 - Standard Marking; Part Number, Amp Rating 181, 184, 185 Series - Top Surface 183 Series - Side Surface S - Standard Ignition Protected Marking (Consult factory for special markings.) Cooper Bussmann Transportation Products * Phone: 800.845.6269 * Fax: 503.692.9091 * www.cooperbussmann.com Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Eaton: 184090F-03-1 185135P-01-1 185120F-01-1 184150F-03-1 185060F-04-1 185080F-01-1 181080F-01-1 184100P07-1 181150F-03-1 185070F-13-1