Model: B499-A0001

Phase Monitor

Special Features:

Phase sequence abc; will not operate cba; hysteresis 4pct; led glows on fault; 19 oz weight; lock shaft adjustable; u/l listed

Properties:

Overall Length
4.000 inches
Overall Height
3.630 inches
Overall Width
4.000 inches
Ac Voltage Rating
Between 400.0 volts and 570.0 volts
Internal Battery Accommodation
Not included
Indicator Type
Light
Design Type
Visual
Mounting Method
Hole
Part Name Assigned By Controlling Agency
3-phase sequence and voltage band monitor/relay
Phase
Three
NSN
6625-01-584-4249
Part Number
B499-A0001
Description
Monitor,phase
CAGE
U3731

An item which provides continual quantitative visual indication of cyclic variations between two or more phases of electrical energy, warning upon departure from predetermined phase variation limits. May initiate an audible warning. See also panel, monitor.

Part B499-A0001 NSN 6625-01-584-4249

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00181
FIIG:
T263-E
Concept No.:
App. Key:
EA
Cond. Code:
2
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

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Schedule B and Export
  • Schedule B: 9030908030
  • SITC: 87479
  • End Use: Measuring, testing, control instruments
  • NAICS: 334515
  • USDA: 1

Freight Class: Parts and accessories of articles of schedule b subheading 9030.39

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