Model: 1491-110-IT49

Circuit Breaker

Properties:

Body Style
Multipole-multiple actuator type
Body Length
61.5 millimeters
Body Width
52.5 millimeters
Body Height
80.0 millimeters
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Width
17.5 millimeters
End Application
Operator control assembly and parts list (receiving area), 55 ton and 58 ton casks
Boss Height
5.5 millimeters
Pole Quantity
3
Mounting Facility Type And Quantity
Din rail
Maximum Continuous Load Current Rating Per Pole
30.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts
415.0 ac all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
10000.0 ac all locations
Circuit Protection Type
Overcurrent all locations
Trip Release Method
Magnetic all locations
Trip Release Characteristic
Instantaneous all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
1000.0 all locations
Reset Method
Manual
Main Contact Tripping Mechanism Type
Trip free
Manual Actuator Type And Quantity
3 toggle
External Actuator Linkage Arrangement
One, two, and three linked
Internal Trip Release Configuration
Series trip all locations
Frequency In Hertz
50.0 all locations or 60.0 all locations
Terminal Type And Quantity
6 screw
NSN
5925-01-578-2137
Part Number
1491-110-IT49
Description
Circuit Breaker
CAGE
3C728

A device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. May include provisions for manual operation. At least one set of contacts must be in series with the actuating element(s). A combination of semiconductor and passive devices may be used in lieu of contacts. For automatically operated items in which the actuating (tripping) element and contacts are not in series, see relay (as modified). For items which are operated both manually and automatically but the actuating elements and contact are not in series, see relay-switch. Excludes circuit breaker box and magneto "breaker" assemblies. See also switch (as modified); and controller.

Part 1491-110-IT49 NSN 5925-01-578-2137

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00136
FIIG:
A030A0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8536200040
  • SITC: 77252
  • End Use: Electric apparatus
  • NAICS: 335313
  • USDA: 1

Freight Class: Automatic circuit breakers, for a voltage not exceeding 1,000 v, nesoi

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