RESET RESET RESET Series 18X Hi-Amp Circuit Breaker Series 187 Marine Rated Circuit Breaker (MRCB) Manual Reset Circuit Breakers With Switch Function Auto, Manual & Switchable Reset Circuit Breakers Specications Specications Single Pole Thermal Type Breakers Single Pole Thermal Type Breakers Applications: Typically used in DC power systems in marine applications (as a main or Applications: Typically used in auxiliary and accessory circuits in truck, bus, RVs and marine systems. branch circuit breaker), truck and bus systems, RV systems, add-on protection for Others include battery chargers and DC audio systems. Series 181, 184 & 185 are sealed for engine accessories, lift gates, etc. This unit is external ignition protected and weatherproof. compartment and bilge area applications. Rating: 25-150A, 48Vdc Rating: 25-150A, 30Vdc 48Vdc (Series 184 & 185) Interrupt Rating: Main Breaker Protection Interrupt Rating (5kA 12Vdc). (Consult factory for Interrupt Rating: 3000A 30Vdc higher voltage interrupt ratings.) Operating Temperature Rating: 25F (32C) to 180F (82C) Operating Temperature Rating: 40F (40C) to 185F (85C) Storage Temperature Rating: 30F (34C) to 300F (149C) Storage Temperature Rating: 40F (40C) to 260F (125C) Materials: Black UL-rated 94V0 thermoset plastic. Thermoplastic elastomer stud insulators are Materials: Black UL-rated 94V0 thermoset plastic body. Cover and lever are UL-rated 94V0 provided on covered units with F-style (surface-mount) bases thermoplastic Marking: Standard marking includes amp ratings and part numbers. Custom markings also available. Marking: Standard marking includes amp/volt ratings. Custom markings also available Termination: 1/4-28 threaded studs Termination: 5/16-18 threaded studs Torque Rating: 50 in-lbs (5.6Nm) max Torque Rating: 75 in-lbs (8.5Nm) max Mounting Torque Rating: Panel or surface-mount options 50 in-lbs (5.6Nm) max. Threaded insert Mounting Torque Rating: Panel or surface-mount options 50 in-lbs (5.6 Nm) max option has a max torque of 25 in-lbs (2.8Nm). Ingress Protection Rating: IP66 Ingress Protection Rating: IP67 Features / Options: A manual reset circuit breaker with On-Off switch capability Features / Options: Series 184 & 185 have a unique reset mechanism which provides visual indication Compliances: ABYC E-11 CE SAE J1171 (ignition protected) of tripped condition. Series 185 also features a push-to-trip option Compliances: SAE J1625 ABYC E-11 CE SAE J1171 (ignition protected) Consult factory for time characteristic curves. TEMPERATURE DERATING CURVES 200% (Dims. shown are for reference only. Consult factory for latest prints) Dimensions - in(mm) (Dims. shown are for reference only. Consult factory for latest prints) Dimensions - mm(in) 150% Panel Mount Surface Mount .26 (6.60) dia. Panel Mount Temperature Derating Curves 57.68 % Reset lever Mtg.holes (2) 100% 200% 2.271 OF .26 (6.60) dia. Reset lever (Shown in Mtg.holes (2) 1.05 (Shown tripped) operating BUSS R RATED 50% (26.67) 150% position series MRCB 58.15 OFF 184/185) TRIP 2.289 2.91 0% -50 0 50 77 100 150 200 250 26.81 (73.91) 69.85 60.34 25A 100% 2.41 1.54 (-45)(-18) (10)(25)(38) (65) (93) (121) 1.056 2.750 48V DC MAX CURRENT 2.375 2.89 TEMPERATURE IN DEGREES F (61.21) (39.12) (73.41) (TEMPERATURE IN DEGREES C ) ON 2.23 16.76 WEATHERPROOF 50% IGNITION PROTECTED Mounting Template (56.64) TIME VS. PERCENT OF RATED CURRENT .660 600% Tamper proof 0% 500% -50 F 0 F 50 F 77 F 100 F 150 F 200 F 250 F 28.84 1.90 cover 53.47 Temperature in Degrees F. 1.135 2.105 (48.26) 400% 1.90 Molded Trip button (Series 185) 300% Time vs Percent of Rated Current Stud insulators (48.26) Firewall Mount cover Molded % .31 56.8 600% cover (2.24) OF 200% (7.87) BUSS MRCB .66 500% RATED 100% OFF 69.0 0 5 10 15 20 3040 100 200 500 (16.76) 1.44 ( 2.72) 41.6 1.09* TIME IN SECONDS (1.64) 400% 1.79 87.3 (36.58) 25A 1.44* (27.69) 48V DC MAX (3.44) 43.8 27.1 (45.47) ( .72) (36.58) (1.06) CURRENT Flange mount ON WEATHERPROOF 300% .89 (22.61) IGNITION PROTECTED 1/4-28 Studs gasket for .57 1.06 .40 59.0 thru-wall 200% *Overall heights of (14.49) (2.32) (26.92) (10.16) applications Series 181 &183 3.9 18.6 (.16) (.73) 100% (option 07) 37.1 0 5 10 15 20 30 40 50 100 150 200 400 600 (1.46) Time in seconds Part Numbering System Part Numbering System Series Rating Mounting Terminal Hdwr. Marking Series Rating Mounting Hardware Marking 1 8 1 8 7 181 Type I, 30V 025 25 amps F Surface Mount 00 Ship w/o nuts 0 Blank cover 183 Type I*, 30V 030 30 amps P Panel Mount 01 Sems nuts installed 1 Standard Marking Part Number, 025 25 amps 187 Manual Reset - Switching F Surface mount 00 No hardware 1 Standard marking Part Number, 184 Type III, 42V 035 35 amps 02 Sems nuts shipped bulk Amp Rating 030 30 amps Style Circuit Breaker P Panel mount 03 Stainless nuts & Amp Rating 185 Type III-PTT, 42V 040 40 amps 03 Stainless Steel Std. nuts & 181, 184, 185 Series - Top Surface 035 35 amps lockwashers - installed 040 40 amps (Consult factory for special marking options.) 050 50 amps washers installed 183 Series - Side Surface on studs 050 50 amps 060 60 amps 04 Stainless Steel Std. nuts & S Standard Ignition Protected 04 Stainless nuts & 060 60 amps 070 70 amps washers shipped bulk Marking lockwashers - supplied 070 70 amps 080 80 amps 07 Flange gasket & Sems nuts installed (Consult factory for special markings.) bulk packed 080 80 amps 090 90 amps (Panel Mount Only) 100 100 amps *183 Available in Panel 100 100 amps 08 Threaded insert and Sems nuts 110 110 amps Mount Only (Coverless) 110 110 amps installed 120 120 amps 120 120 amps 12 Stainless steel nuts and lockwashers 135 135 amps 135 135 amps installed 150 150 amps 150 150 amps 13 Stainless steel Sems nut installed 200 200 amps 71 Cooper Bussmann Transportation Products Phone: 800.845.6269 Fax: 503.692.9091 www.cooperbussmann.com Cooper Bussmann Transportation Products Phone: 800.845.6269 Fax: 503.692.9091 www.cooperbussmann.com % 0F RATED CURRENT % 0F RATED CURRENT