Model: ET1572E1

Circuit Breaker

Special Features:

Mtg holes on 11.750 in. By 8.000 in. Mtg centers

Properties:

Overall Length
13.093 inches
Overall Height
9.625 inches
Overall Width
9.625 inches
Case Material
Metal
Unthreaded Mounting Hole Diameter
0.281 inches
Pole Quantity
3
Arc Quenching Method
Deion
Mounting Facility Type And Quantity
4 unthreaded hole
Maximum Continuous Load Current Rating Per Pole
20.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts
240.0 ac all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
7500.0 ac all locations
Circuit Protection Type
Overcurrent all locations
Trip Release Method
Thermal all locations
Trip Release Characteristic
Instantaneous all locations and time delay all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
115.0 all locations
Reset Method
Manual
Main Contact Tripping Mechanism Type
Trip free
Manual Actuator Type And Quantity
1 toggle
Actuator Function
Trip-reset
Thread Size
0.250 inches
Trip Release Duty Cycle
Continuous all locations
Trip Delay Time In Seconds Per Rated Continuous Current
30.000 at 150 pct all locations and 240.000 at 150 pct all locations and 3.000 at 500 pct all locations and 8.000 at 500 pct all locations
Trip Release Ambient Tempurature Rating
25.0 degrees celsius all locations
Precious Material
Silver
NSN
5925-00-965-8495
Part Number
ET1572E1
Description
Circuit Breaker
CAGE
30086

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 ET1572E1 NSN 5925-00-965-8495

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:
S
ESD:
ESD:
MMAC:
CRITL:
X

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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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