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Circular Waterproof Connectors

Amphenol LTW Circular Waterproof Connectors are environmentally sealed and have an IP66 to IP68 waterproof protection rating. These Ceres connectors, available in plastic and metal shells, feature up to 31 pins and up to 2000 mating cycles. Ceres connectors provide a comprehensive size range and various mating styles: screw, lock bayonet, and push-lock. Amphenol LTW Circular Waterproof Connectors meet many harsh environmental standards and are suitable for both power and data applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.
Sensor Cables / Actuator Cables Ceres, Mini Size, Plastic, 2A, 04 pins, Female Connector, Female Contact, Right Angle, 2 Points Lock, Overmolded, Length 1000mm, IP66 AU-04BFFM-LR6A01 Amphenol LTW 1: ¥2,355.3 2,127In Stock	Mfr. Part # AU-04BFFM-LR6A01 Mouser Part # 523-AU-04BFFM-LR6A01	Amphenol LTW	Sensor Cables / Actuator Cables Ceres, Mini Size, Plastic, 2A, 04 pins, Female Connector, Female Contact, Right Angle, 2 Points Lock, Overmolded, Length 1000mm, IP66 Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	2,127In Stock	¥2,355.3 ¥2,001.5 ¥1,953.3 ¥1,843.7 View ¥1,680.9 ¥1,494.9 ¥1,435.1 Quote	Min.: 1 Mult.: 1
Standard Circular Connector Ceres, Waterproof Cap With Rubber Lead, Plastic, Screw Thread, Male Connector CAP-WACMSPC1 Amphenol LTW 1: ¥523.2 12,508In Stock 14,620Expected 10/29/2026	Mfr. Part # CAP-WACMSPC1 Mouser Part # 523-CAP-WACMSPC1	Amphenol LTW	Standard Circular Connector Ceres, Waterproof Cap With Rubber Lead, Plastic, Screw Thread, Male Connector Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	12,508In Stock 14,620Expected 10/29/2026	¥523.2 ¥478.4 ¥426.9 ¥392 View ¥368.7 ¥347.1 ¥338.8 ¥323.9	Min.: 1 Mult.: 1
Sensor Cables / Actuator Cables Ceres, Standard Size, Plastic, 10A, 04 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Overmolded, Length 1000mm, IP66 1BB-04AFFM-LL6A01 Amphenol LTW 1: ¥2,655.9 22In Stock	Mfr. Part # 1BB-04AFFM-LL6A01 Mouser Part # 523-1BB04AFFMLL6A01	Amphenol LTW	Sensor Cables / Actuator Cables Ceres, Standard Size, Plastic, 10A, 04 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Overmolded, Length 1000mm, IP66 Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	22In Stock	¥2,655.9 ¥2,431.7 ¥2,328.7 ¥2,097.8 View ¥1,936.7 ¥1,901.8 ¥1,845.4 ¥1,835.4 Quote	Min.: 1 Mult.: 1
Standard Circular Connector Ceres, Standard Size, Plastic, 20A+0.8A, 09 pins, Male Connector, Male Contact, Circular, 2 Points Lock, PCB 180, Receptacle, IP67 AAAA-BML09000105 Amphenol LTW 1: ¥1,367 39In Stock	Mfr. Part # AAAA-BML09000105 Mouser Part # 523-AAAA-BML09000105	Amphenol LTW	Standard Circular Connector Ceres, Standard Size, Plastic, 20A+0.8A, 09 pins, Male Connector, Male Contact, Circular, 2 Points Lock, PCB 180, Receptacle, IP67 Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	39In Stock	¥1,367 ¥1,322.2 ¥1,259 ¥1,036.5 View ¥986.6 ¥900.3 ¥840.5 ¥782.3 ¥770.7	Min.: 1 Mult.: 1
Standard Circular Connector Ceres, Middle Size, Plastic, 20A+0.8A, 09 pins, Male Connector, Male Contact, Circular, 2 Points Lock, PCB 180, Receptacle, IP67 AAAA-CML09000071 Amphenol LTW 1: ¥1,448.4 167In Stock	Mfr. Part # AAAA-CML09000071 Mouser Part # 523-AAAA-CML09000071	Amphenol LTW	Standard Circular Connector Ceres, Middle Size, Plastic, 20A+0.8A, 09 pins, Male Connector, Male Contact, Circular, 2 Points Lock, PCB 180, Receptacle, IP67 Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	167In Stock	¥1,448.4 ¥1,229.1 ¥1,197.6 ¥1,166 View ¥980 ¥931.8 ¥883.7 ¥882	Min.: 1 Mult.: 1
Specialized Cables Ceres, Middle Size, Plastic, 20A+0.8A, 09 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Overmolded, Length 300mm, IP67 AAB1-CFL09000071 Amphenol LTW 1: ¥4,610.9 24In Stock	Mfr. Part # AAB1-CFL09000071 Mouser Part # 523-AAB1-CFL09000071	Amphenol LTW	Specialized Cables Ceres, Middle Size, Plastic, 20A+0.8A, 09 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Overmolded, Length 300mm, IP67 Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	24In Stock	¥4,610.9 ¥4,135.9 ¥3,983.1 ¥3,498.1 View ¥3,142.6 ¥3,021.4 ¥2,906.8 Quote	Min.: 1 Mult.: 1
Standard Circular Connector Ceres, Standard Size, Plastic, 5A, 02 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67 BD-02BFFA-LL7001 Amphenol LTW 1: ¥1,214.2 480In Stock	Mfr. Part # BD-02BFFA-LL7001 Mouser Part # 523-BD-02BFFA-LL7001	Amphenol LTW	Standard Circular Connector Ceres, Standard Size, Plastic, 5A, 02 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67 Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	480In Stock	¥1,214.2 ¥1,029.8 ¥955.1 ¥953.4 View ¥921.9 ¥782.3 ¥744.1	Min.: 1 Mult.: 1
Standard Circular Connector Ceres, Standard Size, Plastic, 5A, 03 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67 BD-03BFFA-LL7001 Amphenol LTW 1: ¥1,460 248In Stock 250Expected 12/31/2026	Mfr. Part # BD-03BFFA-LL7001 Mouser Part # 523-BD-03BFFA-LL7001	Amphenol LTW	Standard Circular Connector Ceres, Standard Size, Plastic, 5A, 03 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67 Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	248In Stock 250Expected 12/31/2026	¥1,460 ¥1,239.1 ¥1,147.8 ¥1,092.9 View ¥1,039.8 ¥981.7 ¥938.5 ¥893.6 ¥860.4	Min.: 1 Mult.: 1
Standard Circular Connector Ceres, Standard Size, Plastic, 5A, 06 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67 BD-06BFFA-LL7001 Amphenol LTW 1: ¥1,597.9 760In Stock	Mfr. Part # BD-06BFFA-LL7001 Mouser Part # 523-BD-06BFFA-LL7001	Amphenol LTW	Standard Circular Connector Ceres, Standard Size, Plastic, 5A, 06 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67 Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	760In Stock	¥1,597.9 ¥1,382 ¥1,317.2 ¥1,254.1 View ¥1,205.9 ¥1,132.8 ¥1,078 ¥1,028.2	Min.: 1 Mult.: 1
Standard Circular Connector Ceres, Standard Size, Plastic, 5A, 08 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67 BD-08BFFA-LL7001 Amphenol LTW 1: ¥1,724.1 1,130In Stock	Mfr. Part # BD-08BFFA-LL7001 Mouser Part # 523-BD-08BFFA-LL7001	Amphenol LTW	Standard Circular Connector Ceres, Standard Size, Plastic, 5A, 08 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67 Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	1,130In Stock	¥1,724.1 ¥1,465 ¥1,372 ¥1,307.2 View ¥1,245.8 ¥1,167.7 ¥1,111.2 Quote	Min.: 1 Mult.: 1
Standard Circular Connector Ceres, Standard Size, Plastic, 5A, 08 pins, Male Connector, Male Contact, Circular, 2 Points Lock, PCB 180, Receptacle, IP67 BD-08PMMP-LC7001 Amphenol LTW 1: ¥1,016.5 537In Stock	Mfr. Part # BD-08PMMP-LC7001 Mouser Part # 523-BD-08PMMP-LC7001	Amphenol LTW	Standard Circular Connector Ceres, Standard Size, Plastic, 5A, 08 pins, Male Connector, Male Contact, Circular, 2 Points Lock, PCB 180, Receptacle, IP67 Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	537In Stock	¥1,016.5 ¥882 ¥827.2 ¥787.3 View ¥749.1 ¥702.6 ¥669.4 ¥636.2 ¥596.3	Min.: 1 Mult.: 1
Standard Circular Connector Ceres, Standard Size, Plastic, 2A, 10 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67 BU-10BFFA-LL7001 Amphenol LTW 1: ¥2,053 1,212In Stock	Mfr. Part # BU-10BFFA-LL7001 Mouser Part # 523-BU-10BFFA-LL7001	Amphenol LTW	Standard Circular Connector Ceres, Standard Size, Plastic, 2A, 10 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67 Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	1,212In Stock	¥2,053 ¥1,798.9 ¥1,742.4 ¥1,677.6 View ¥1,596.2 ¥1,493.2 ¥1,451.7 ¥1,357 Quote	Min.: 1 Mult.: 1
Standard Circular Connector Ceres, Middle Size, Plastic, 5A, 14 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.0 - F9.6mm, IP67 CD-14BFFA-LL7001 Amphenol LTW 1: ¥2,898.4 384In Stock 400Expected 1/14/2027	Mfr. Part # CD-14BFFA-LL7001 Mouser Part # 523-CD-14BFFA-LL7001	Amphenol LTW	Standard Circular Connector Ceres, Middle Size, Plastic, 5A, 14 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.0 - F9.6mm, IP67 Learn More about Amphenol LTW amphenol rbl waterproof connectors	Datasheet	384In Stock 400Expected 1/14/2027	¥2,898.4 ¥2,577.9 ¥2,385.2 ¥2,272.2 View ¥2,162.6 ¥2,044.7 ¥1,953.3 ¥1,920.1 Quote	Min.: 1 Mult.: 1
Standard Circular Connector Ceres, Standard Size, Plastic, 20A+0.8A, 09 pins, Male Connector, Male Contact, Circular, 2 Points Lock, PCB 180, Receptacle, IP67 OW-BCU-09PMMP-LC7001 Amphenol LTW 1: ¥1,353.7 40In Stock 240Expected 1/8/2027	Mfr. Part # OW-BCU-09PMMP-LC7001 Mouser Part # 523-OWBCU9PMMPLC7001	Amphenol LTW	Standard Circular Connector Ceres, Standard Size, Plastic, 20A+0.8A, 09 pins, Male Connector, Male Contact, Circular, 2 Points Lock, PCB 180, Receptacle, IP67 Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	40In Stock 240Expected 1/8/2027	¥1,353.7 ¥1,149.4 ¥998.3 ¥935.1 View ¥785.7 ¥710.9 ¥692.6	Min.: 1 Mult.: 1
Circular Metric Connectors Ceres, Standard Size, Plastic, 5A, 06 pins, Male Connector, Female Contact, Circular, 2 Points Lock, Solder, Receptacle, IP67 ABD-06PMFS-LC7001 Amphenol LTW 1: ¥666.1 2,184In Stock	Mfr. Part # ABD-06PMFS-LC7001 Mouser Part # 523-ABD-06PMFSLC7001	Amphenol LTW	Circular Metric Connectors Ceres, Standard Size, Plastic, 5A, 06 pins, Male Connector, Female Contact, Circular, 2 Points Lock, Solder, Receptacle, IP67 Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	2,184In Stock	¥666.1 ¥564.7 ¥504.9 ¥480 View ¥451.8 ¥430.2 ¥408.6 ¥382	Min.: 1 Mult.: 1
Standard Circular Connector Ceres, Mini Size, Plastic, 2A, 04 pins, Male Connector, Male Contact, Circular, 2 Points Lock, Solder, Receptacle, IP67 AU-04PMMS-LC7001 Amphenol LTW 1: ¥745.8 720In Stock 810On Order	Mfr. Part # AU-04PMMS-LC7001 Mouser Part # 523-AU-04PMMS-LC7001	Amphenol LTW	Standard Circular Connector Ceres, Mini Size, Plastic, 2A, 04 pins, Male Connector, Male Contact, Circular, 2 Points Lock, Solder, Receptacle, IP67 Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	720In Stock 810On Order	¥745.8 ¥632.8 ¥593 ¥564.7 View ¥536.5 ¥503.3 ¥480 ¥456.8 ¥428.5	Min.: 1 Mult.: 1
Standard Circular Connector Ceres, Standard Size, Plastic, 5A, 04 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67 BD-04BFFA-LL7001 Amphenol LTW 1: ¥1,363.7 306In Stock	Mfr. Part # BD-04BFFA-LL7001 Mouser Part # 523-BD-04BFFA-LL7001	Amphenol LTW	Standard Circular Connector Ceres, Standard Size, Plastic, 5A, 04 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67 Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	306In Stock	¥1,363.7 ¥1,159.4 ¥1,073 ¥1,034.8 View ¥985 ¥921.9 ¥878.7 ¥837.1	Min.: 1 Mult.: 1
Standard Circular Connector Ceres, Standard Size, Plastic, 5A, 06 pins, Female Connector, Male Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67 BD-06BFMA-LL7001 Amphenol LTW 1: ¥1,544.7 955In Stock	Mfr. Part # BD-06BFMA-LL7001 Mouser Part # 523-BD-06BFMA-LL7001	Amphenol LTW	Standard Circular Connector Ceres, Standard Size, Plastic, 5A, 06 pins, Female Connector, Male Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67 Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	955In Stock	¥1,544.7 ¥1,313.9 ¥1,214.2 ¥1,172.7 View ¥1,116.2 ¥1,046.4 ¥994.9 ¥946.8	Min.: 1 Mult.: 1
Standard Circular Connector Ceres, Standard Size, Plastic, 2A, 10 pins, Male Connector, Male Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67 BU-10BMMA-LL7001 Amphenol LTW 1: ¥2,185.9 465In Stock 300Expected 10/29/2026	Mfr. Part # BU-10BMMA-LL7001 Mouser Part # 523-BU-10BMMA-LL7001	Amphenol LTW	Standard Circular Connector Ceres, Standard Size, Plastic, 2A, 10 pins, Male Connector, Male Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67 Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	465In Stock 300Expected 10/29/2026	¥2,185.9 ¥1,845.4 ¥1,739.1 ¥1,699.2 View ¥1,305.5 ¥1,249.1 Quote	Min.: 1 Mult.: 1
Standard Circular Connector Ceres, Standard Size, Plastic, 2A, 12 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67 BU-12BFFA-LL7001 Amphenol LTW 1: ¥2,413.4 242In Stock 830Expected 12/10/2026	Mfr. Part # BU-12BFFA-LL7001 Mouser Part # 523-BU-12BFFA-LL7001	Amphenol LTW	Standard Circular Connector Ceres, Standard Size, Plastic, 2A, 12 pins, Female Connector, Female Contact, Straight, 2 Points Lock, Solder, Field Installable, F4.5 - F6.5mm, IP67 Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	242In Stock 830Expected 12/10/2026	¥2,413.4 ¥2,049.7 ¥1,921.8 ¥1,830.4 View ¥1,742.4 ¥1,636.1 ¥1,556.4 ¥1,481.6	Min.: 1 Mult.: 1
Standard Circular Connector Ceres, Standard Size, Plastic, 2A, 12 pins, Male Connector, Male Contact, Circular, 2 Points Lock, PCB 180, Receptacle, IP67 BU-12PMMP-LC7001 Amphenol LTW 1: ¥948.4 677In Stock 1,590On Order	Mfr. Part # BU-12PMMP-LC7001 Mouser Part # 523-BU-12PMMP-LC7001	Amphenol LTW	Standard Circular Connector Ceres, Standard Size, Plastic, 2A, 12 pins, Male Connector, Male Contact, Circular, 2 Points Lock, PCB 180, Receptacle, IP67 Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	677In Stock 1,590On Order On Order Ship Dates Mfr. #: BU-12PMMP-LC7001 Stock: 677 Can Ship Immediately On Order: 750 Pending 840 Expected 1/14/2027 Factory Lead-Time: 13 Weeks	¥948.4 ¥916.9 ¥900.3 ¥702.6 View ¥669.4 ¥624.5 ¥598	Min.: 1 Mult.: 1
Standard Circular Connector Ceres, Waterproof Cap With Rubber Lead, Plastic, 2 Points Lock, Male Connector CAP-WABMLPC1 Amphenol LTW 1: ¥367.1 8,130In Stock	Mfr. Part # CAP-WABMLPC1 Mouser Part # 523-CAP-WABMLPC1	Amphenol LTW	Standard Circular Connector Ceres, Waterproof Cap With Rubber Lead, Plastic, 2 Points Lock, Male Connector Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	8,130In Stock	¥367.1 ¥310.6 ¥277.4 ¥264.1 View ¥249.2 ¥235.9 ¥234.2 ¥209.3	Min.: 1 Mult.: 1
Standard Circular Connector Ceres, Waterproof Cap With Rubber Lead, Plastic, 2 Points Lock, Male Connector CAP-WACMLPC1 Amphenol LTW 1: ¥526.5 2,439In Stock 1,180Expected 11/30/2026	Mfr. Part # CAP-WACMLPC1 Mouser Part # 523-CAP-WACMLPC1	Amphenol LTW	Standard Circular Connector Ceres, Waterproof Cap With Rubber Lead, Plastic, 2 Points Lock, Male Connector Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	2,439In Stock 1,180Expected 11/30/2026	¥526.5 ¥450.1 ¥402 ¥337.2 View ¥323.9 ¥272.4 ¥259.1 ¥250.8	Min.: 1 Mult.: 1
Standard Circular Connector Ceres, Waterproof Cap, Plastic, Screw Thread, Male Connector CAP-WACMSMA1 Amphenol LTW 1: ¥380.4 4,211In Stock 2,620Expected 12/15/2026	Mfr. Part # CAP-WACMSMA1 Mouser Part # 523-CAP-WACMSMA1	Amphenol LTW	Standard Circular Connector Ceres, Waterproof Cap, Plastic, Screw Thread, Male Connector Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	4,211In Stock 2,620Expected 12/15/2026	¥380.4 ¥323.9 ¥287.4 ¥270.7 View ¥255.8 ¥235.9 ¥227.6 ¥199.3	Min.: 1 Mult.: 1
Circular MIL Spec Tools, Hardware & Accessories Ceres, Waterproof Cap With Rubber Lead, Plastic, 2 Points Lock, Male Connector CAP-WADMLPC1 Amphenol LTW 1: ¥475 964In Stock	Mfr. Part # CAP-WADMLPC1 Mouser Part # 523-CAP-WADMLPC1	Amphenol LTW	Circular MIL Spec Tools, Hardware & Accessories Ceres, Waterproof Cap With Rubber Lead, Plastic, 2 Points Lock, Male Connector Learn More about Amphenol LTW amphenol circular waterproof connectors	Datasheet	964In Stock	¥475 ¥403.6 ¥400.3 ¥380.4 View ¥368.7 ¥342.2 ¥330.5 ¥294 ¥279	Min.: 1 Mult.: 1

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