Medium Duty Breakers - 1 Pole
NOTE: Electrical Circuit Breakers are not returnable.
1 Pole Stud Post
Circuit Breaker
Part Number Amps Voltage Dimensions Price Price (4+) Price (20+)  
(CBK) APL1R-533-190 1 amp 50 vdc 3/4" x 2" x 2-1/2"W 7.00 5.50 4.75 Add
(CBK) APL1-533-240 2 amp 50 vdc 3/4" x 2" x 2-1/2"W 7.00 5.50 4.75 Add
(CBK) PAM12MG3 3 amp 115 vac 3/4" x 2" x 2-1/2"W 7.00 5.50 4.75 Add
(CBK) AM12MG6-4 4 amp 120v, 60 Hz 3/4" x 2-1/2" x 2" Deep 9.00 - - Add
(CBK) APL1-533-340 5 amp 50 vdc 3/4" x 2" x 2-1/2"W 7.00 5.50 4.75 Add
(CBK) UPL1-1-59-752 7.5 amp 65 vdc 3/4" x 2" x 2-1/2"W 7.00 5.50 4.75 Add
(CBK) APL1R-571-260 10 amp 250 vac 3/4" x 2" x 2-1/2"W 7.00 5.50 4.75 Add
(CBK) APL1-531-330 10 amp 250 vac, 400 Hz 3/4" x 2" x 2-1/2"W 7.00 5.50 4.75 Add
(CBK) APL1-533-740 12 amp 50 vdc 3/4" x 2" x 2-1/2"W 7.00 5.50 4.75 Add

Medium Duty
Circuit Breakers
Part Number Amps Voltage Dimensions Price Price (4+) Price (20+)  
(CBK) APL1-533-440 15 amp 50 vdc 3/4" x 2" x 2-1/2"W 10.00 8.50 7.00 Add
(CBK) APL1-533-530 20 amp 50 vdc 3/4" x 2" x 2-1/2"W 10.00 8.50 7.00 Add
(CBK) APL1-533-580 25 amp 50 vdc 3/4" x 2" x 2-1/2"W 10.00 8.50 7.00 Add
(CBK) W91X15-3-30 30 amp 65 vdc 3/4" x 2" x 2-1/2"W 10.00 8.50 7.00 Add
1 Pole Stud Post
Circuit Breakers
SPDT Auxilliary Switch
Part Number Amps Voltage Dimensions / Notes Price Price (4+) Price (20+)  
(CBK) APL1R-571-050 0.5 amp 250 vac 3/4" x 2" x 2-1/2"W 9.00 7.50 6.00 Add
(CBK) APL1R-571-480 0.5 amp 250 vac
3/4" x 2-5/8" x 2-1/2"W, Delay 62F Collins P/N: 260-4021-480 (Pics)
- - SOLD OUT
(CBK) PAM12HKMG6-2 2 amp 50 vdc 3/4" x 2" x 2-1/2"W 9.00 7.50 6.00 Add
(CBK) APL1R-571-120 2 amp 250 vac 3/4" x 2" x 2-1/2"W, with Switch 9.00 7.50 6.00 Add
(CBK) PAM12HKMG6-5 5 amp 50 vdc 3/4" x 2" x 2-1/2"W, with Switch 9.00 7.50 6.00 Add
(CBK) PAM12HKMG61 10 amp 50 vdc 3/4" x 2" x 2-1/2"W, with Switch - - SOLD OUT
(CBK) AM1-B2-A 35 amp 65 vdc Heinemann, TD = P
Aux. Switch: 10a / 250 vac
3/4" x 2-1/2" x 2-1/2" deep		 35.00 - - Add
Heinemann Circuit Breaker
0.5 amp / 240v AC
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(CBK) AM1-Z22-010
Heinemann circuit breaker. 0.5 amp, 240v AC, 50/60 Hz. 3/4" x 2-1/2" x 2"H. NSN: 5925-01-126-6288. Alt. P/N: M55629/1-010.
$10 each
Heinemann Circuit Breaker
4 amp / 250v AC
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(CBK) JA1-Z118-1
Heinemann circuit breaker with relay interrupt. 4 amp, 250v AC, 50/60 Hz. 0.75" x 2" x 2.84"H with toggle and terminals.
$12 each - $10 (6+)
Circuit Breaker
10 amp / 80v DC Max
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(CBK) LMLB1-1RLS4R-36825-10-V
Air Pax circuit breaker. 10 amps, 1 pole, 12.5 trip amps, 80v DC max volts. 63.24mm H x 47.27mm L x 19.05mm W. Alpha Technologies P/N: 470-303-10.
$33 each
Heinemann Circuit Breaker
10 amp / 250v AC
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(CBK) 70-123-12MG3
Heinemann circuit breaker with aux terminals. SPDT. 10 amp, 250v AC, 60 Hz. 3/4" x 2-1/2" x 2-1/2". 2-1/16" mounting center on front 6-32 holes. 3/4"L silver 10-32 studs.
$14 each - $12 (4+), $10 (20+)
Heinemann Circuit Breaker
15 amp / 240v
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(CBK) JA1-A2-A
Heinemann circuit breaker. 15 amp, 240v, 50/60 Hz, TD #2. Hold is 15 amp, trip is 18.75 amp. Aux. switch: 5 amp, 125 - 250v AC. SPDT: 5 amp, 30v DC - res. 3/4"W x 2" x 1-7/8" deep.
$15 each
Vintage GE Toggle Circuit Breaker
15 amp / 125v
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(CBK) MCM15
Vintage GE toggle circuit breaker. 15 amp, 125v. 2-3/8" mounting centers. 2-7/8" x 3/4" x 2-1/4" deep. New old stock.
$5.95 each - $5 (6+)
FPE 1 Pole
Circuit Breaker
20 amp pictured
(CBK) NEF213015
FPE 15 amp 1 pole circuit breaker. 277v. 6.25" x 1.375" x 3.5". Harris P/N: 606-0583-000.
$65 each
(CBK) NEF213020
FPE 20 amp 1 pole circuit breaker. 277v. 6.25" x 1.375" x 3.5". Harris P/N: 606-0586-000.
$65 each
(CBK) NEF213040
FPE 40 amp 1 pole circuit breaker. 277v. 6.25" x 1.375" x 3.5".
$95 each
Square D Circuit Breaker
15 amp
(CBK) QO115
Square D circuit breaker. Type QO. One pole, 15 amp, 120v / 240v. Interupting rating 10,000 amps.
$8 each - $7.50 (3+)
Circuit Breaker
15 amp
(CBK) W91-X152-15
Potter & Brumfield circuit breaker. Curve 2. 15 amp, 65 vdc. 3/4" x 2-1/2" x 2-1/2" deep. 1.956" c-c posts.
$18 each
Circuit Breaker
20 amp
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(CBK) 511-220-101
Potter & Brumfield / Wood Electric circuit breaker. 20 amp, 250v AC, 1 pole, 60 Hz. Curve 2. Manual reset. 3/4" x 2" x 1-1/2" deep. Made in the USA. Alt. P/N: W67-X2Q12-20TE. NSN: 5925-01-010-8922.
$22 each
Moeller Circuit Breaker
20 amp / 277v AC
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(CBK) FAZNC20
Moeller circuit breaker. 20 amp, 1 pole, 5ka, 277v AC, 1 phase. 17mm W x 72mm L x 83mm H. UL / CSA rated.
$65 each
Heinemann Circuit Breaker
25 amp / 250v AC
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(CBK) AM13-25
Heinemann single pole circuit breaker. 25 amp, 250v AC, 400 Hz. Curve 16. 0.75" x 2.5" x 3.1"H overall. 10-32 studs.
$14 each - $12 (4+), $10.75 (20+)
Carling Switch Circuit Breaker
30 amp - 277 vac
(CBK) AA1-B2-34-630-1B1-C
Carling Switch circuit breaker. 30 amp, 277 vac, 80 vdc, 40.5 Trip a. 1 pole w/ SPDT aux proving contacts.
$25 each
Circuit Breaker
40 amp / 250v Max
(CBK) CA1-B2-24-640-121-D
Carling Switch circuit breaker. 40 amp, 250 vac max. SPDT with 1 amp auxiliary constant. Delay 24. 50/60 Hz. 3/4" x 2-1/2" x 2-1/2"D.
$25 each - $22 (3+)
Circuit Breaker
70 amp / 80v DC Max
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(CBK) LMLB1-1RLS4R-36825-70-V
Air Pax circuit breaker. 70 amps, 1 pole, 87.5 trip amps, 80v DC max volts. 63.24mm H x 47.27mm L x 19.05mm W. Alpha Technologies P/N: 470-313-10.
$33 each - $30 (6+)