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Supplemental and Obsolescence Digest 174

Special Construction Circuit Breakers

UL Marine Listed Circuit Breakers

Class 600

A standard for molded case circuit breakers which are intended to be installed and used aboard a boat or vessel is included in Supplement SA to UL 489, “Standard for Molded Case Circuit Breakers and Circuit Breaker Enclosures’’ (also referred to as UL product category DKTY). This UL Standard was established in accordance with U.S. Coast Guard regulations, applicable American Boat and Yacht Council Inc. publications, and NFPA® 302 “Standard for Motor Craft (Pleasure and Commercial)’’. In order to be UL Listed for marine use, circuit breakers must not use aluminum or aluminum alloys for terminal connections and must be calibrated at an ambient temperature of 40 oC. Standard circuit breakers should not be specified or used in place of marine circuit breakers.

The following table lists those circuit breakers which are UL Marine Listed for use on vessels over 65 ft. (19.8 m) in length. (PowerPact H and J-frame circuit breakers can also be used in vessels under 65 ft. [19.8 m] in length.)

Table 3.61:

CIrcuit Breakers for Marine Applications

Cat. No. Prefix	Poles	Ampere Rating	Application	Cat. No.	$ Price
FA, FAL	2	15–100 A	For use only on vessels over 65 feet (19.8 m) in length.	Add the number “9’’ after the catalog number prefix of the standard circuit breaker catalog number.   Example: Standard FAL36100 Marine FAL936100	There is a 20% adder to the price of the equivalent standard circuit breaker. All marine circuit breakers are supplied with copper lugs.
	3	15–100 A
FH, FHL, FC, FCL	2, 3	15–100 A
FI, FIL	2, 3	20–100 A
KA, KAL	2, 3	70–250 A
KH, KHL	2, 3	70–250 A
KI, KIL, KC, KCL	2, 3	110–250 A
LA, LAL	2, 3	125–400 A
LH, LHL	2, 3	125–400 A
MA, MAL	2, 3	300–1000 A
MH, MHL	2, 3	300–1000 A
ME, MEL, MX, MXL	2, 3	100–800 A
NA, NE, NC, NX
NAL, NCL, NEL, NXL	2, 3	600–1200 A
PAF	2, 3	600–2000 A
PHF	2, 3	600–2000 A
PCF	2, 3	1600–2500 A
PE, PEF, PX, PXF	2, 3	600–2000 A
PowerPact® HD, HG, HJ, HL	2, 3	15–150 A	For use on vessels over and under 65 feet (19.8 m) in length.	Add a “YA’’ after the standard circuit breaker catalog number.   Example: Standard HGL36100 Marine HGL36100YA
PowerPact JD, JG, JJ, JL	2, 3	150–250 A
PowerPact MG, MJ	2, 3	300–800 A	For use only on vessels over 65 feet (19.8 m) in length.
PowerPact PG, PJ, PL	2, 3, 4	100–1200 A
PowerPact RG, RJ, RL	2, 3, 4	600–2500 A

 

UL Naval Listed Circuit Breakers

A standard for molded case circuit breakers which are intended or use aboard non-combatant and auxiliary naval ships is included in Supplement SB to UL 489, “Standard for Molded Case Circuit Breakers and Circuit Breaker Enclosures’’. The following table lists those circuit breakers which are UL Naval Listed for use on vessels under 65 feet (19.8 m) in length.

Table 3.62:

CIrcuit Breakers for Navel Applications

Cat. No. Prefix	Poles	Ampere Rating	Application	Cat. No.	$ Price
HD, HG, HJ, HL	2, 3	15–150 A	For use on non-combat and auxiliary naval ships over and under 65 feet (19.8 m) in length.	Add a “YA’’ after the standard circuit breaker catalog number.   Example: Standard HGL36100 Marine HGL36100YA	There is a 20% adder to the price of the equivalent standard circuit breaker. All marine circuit breakers are supplied with copper lugs.
JD, JG, JJ, JL	2, 3	150–250 A

 

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