Bulletin 1492
Control Circuit and Load Protection
General Information
General Information
Allen-Bradley offers two lines of Miniature Circuit Breakers with UL 489 (CSA 22.2 No. 5) certification, four different lines of Supplementary
Protectors (Miniature Circuit Breakers), and a line of fuse holders for branch circuit fuses and supplementary fuses.
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1
Product Selection
Bulletin 1492-FB Fuse Holders
ꢀ EN/IEC 60529 finger protection — dead front construction
ꢀ Compact size requiring less panel space than open-style fuse holders
ꢀ Optional blown fuse indicator
ꢀ Branch circuit protection with Class CC and J fuses
ꢀ UL Listed, CSA Certified
ꢀ DIN Rail (35 mm), mounted
2
Bulletin 1492 Circuit Breakers
Potential applications include protection of:
ꢀ Solenoids
ꢀ Transformers
ꢀ Computers
ꢀ Relay/contactor coils
ꢀ PLCs
ꢀ Medical Equipment
ꢀ PLC I/O Points
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ꢀ Power Supplies
UL1077, CSA C22.2 No. 235 — In North America, miniature circuit breakers are recognized as supplementary protectors and are intended for
use as overcurrent protection within an appliance or other electrical equipment where branch circuit protection is already provided or not
required. Internationally, these products are rated to IEC standards as miniature circuit breakers or circuit breakers for equipment.
UL508, CSA 22.2 No.14 — In North America, some miniature circuit breakers, meeting specific requirements, may be used as Manual Motor
Controllers for direct control of motors connected across-the-line equipment where branch circuit protection is already provided or not
required. Internationally, these products are rated to IEC standards as miniature circuit breakers and applied for motor controller applications
within those standards.
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5
UL489, CSA 22.2 No. 5.1 — In North America, some miniature circuit breakers, meeting specific requirements, may be used as Branch
Circuit Protection devices for the protection of electric wiring as well as load protection.
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Type
1492-GH
1077
1492-GS
1077
1492-SP
1077
1492-MC
489
1489
489
UL
CSA
22.2 No. 235
22.2 No. 235
22.2 No. 235
22.2 No. 5
22.2 No. 5
Certifications
IEC 60898
IEC 60947-2
EN/IEC
IEC 60934
IEC 60934
—
IEC 60947-2
7
CE Marked
Yes
1
Yes
Yes
No
Yes
No. of Poles
Volts AC
1, 2, 3
1, 2, 3 – 1+N, 3+N
1, 2, 3
1, 2, 3
120/240V AC
240V AC
250 V
480Y/277 V
480Y/277 V
480Y/277 V
8
1p 48V
2p (series) 125V
Volts DC
65 V
65 V
—
up to 500V DC
0.5…40 A
Current Range
0.2…15A
0.2…25A
0.5…63A
15…100 A
B 3…5
C 5…10
D 10…20
B 3…5
C, 5…10
D 10…20
Trip Characteristics
(In)
UL 489 Standard
(CSA 22.2 No. 5.1)
G 6…12
G 6…10
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Energy Limiting
No. of Pole/foot
Mounting Method
No
No
Yes
17
No
Varies
DIN Rail
Varies
No
Yes
17
24
24
DIN Rail & A-B Rail
DIN Rail & A-B Rail
DIN Rail
Yes
DIN Rail
Yes
IEC 529 and 60947 Finger Protection
Auxiliary Contacts
Yes
No
No
No
Yes
Yes
No
10
11
12
13
Yes
Yes
Shunt Trip
Yes
No
Yes
Optional
Undervoltage Trip
No
Yes
No
Yes
www.ab.com/catalogs
Preferred availability cat. nos. are bold.
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Publication A117-CA001A-EN-P