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W28-XQ1A-7 Schematic ( PDF Datasheet ) - Tyco Electronics

Teilenummer W28-XQ1A-7
Beschreibung Switchable or Push to Reset Fuseholder-Type Thermal Circuit Breaker
Hersteller Tyco Electronics
Logo Tyco Electronics Logo 




Gesamt 2 Seiten
W28-XQ1A-7 Datasheet, Funktion
www.DataSheet.co.kr
Catalog 1308242
Issued 3-03 (PDF Rev. 4-04)
P&B
W28 series
Switch/Breaker
(Consult factory for availability)
Push-to-Reset Breaker
Switchable or
Push to Reset
Fuseholder-Type
Thermal Circuit Breaker
Note: VDE, Demko, Semko not available on 16A and 20A W28 only.
Features
• Switchable version combines on-off switch and circuit protection in a
single unit.
• Approved to many international standards (push to reset type).
• Replaces slow blow glass cartridge fuse.
• Labor-saving snap-in mounting.
• Button extends for visual trip indication on push to reset model.
• Rocker on switchable model moves to “overload” position upon trip.
Agency Approvals
W28 series is UL 1077 Recognized as Supplementary Protectors, File
E69543, and CSA Certified as Appliance Component Protectors, File
LR15734. W28 breakers have been issued Certificate of Suitability
CS2190N as supplementary Equipment Protectors by the Energy
Authority of New South Wales, Australia. W28 breakers are also
DEMKO (Denmark) and SEV (Switzerland) approved. VDE approved
for use in office equipment and provides 8mm isolation. 16 amp and
20 amp models do not have VDE, DEMKO and SEV approvals at
present. W28-S is UL 1077 Recognized, and CSA Certified for models
up to and including 15 amps.
Users should thoroughly review the technical data before selecting a product part
number. It is recommended that users also seek out the pertinent approvals files of
the agencies/laboratories and review them to ensure the product meets the
requirements for a given application.
Electrical Data @ 25°C
Calibration: Will continuously carry 100% of rating.
3-20 amp models – may trip between 101% and 134%, but
must trip at 135% of rating within one hour at +25°C.
0.25-2 amp models – may trip between 101% and 174%, but
must trip at 175% of rating within one hour at +25°C.
Dielectric Strength: Over 1,500 volts RMS.
Maximum Operating Voltages: 32VDC; 250VAC, 50/60 Hz.
Interrupt Capacity: 1,000 amps at 250VAC, 50/60 Hz. and 32VDC in
accordance with UL standard 1077.
Resettable Overload Capacity: Six times rated current for 0.25 through 2
amp models. Ten times rated current for
3 through 20 amp models.
Reset Time: 180 seconds max. for 0.25 through 2 amp models. 10 to 60
seconds for 3 through 20 amp models.
Typical Resistance vs. Current Rating @ +25°C
Current
Rating
in Amps
0.25
0.50
0.75
1.0
2.0
3.0
4.0
5.0
6.0
7.0
Typical
Resistance
in Ohms
14.0
3.55
2.0
0.89
0.17
0.069
0.043
0.030
0.026
0.017
Current
Rating
in Amps
8.0
9.0
10.0
11.0
12.0
13.0
14.0
15.0
16.0
20.0
Typical
Resistance
in Ohms
0.016
0.014
0.011
0.01
0.009
0.009
0.007
0.007
0.007
0.006
Mechanical/Environmental Data
Endurance Cycling(switchable type): Typically 30,000 operations at
100% of rating.
Termination: .250” (6.35mm) quick connects. Soldering to terminals is
not recommended.
Mounting: Snaps into panel from front. See Recommended Panel Cutouts.
Approximate Weight: 0.35 oz. (10g).
Time vs. Current Trip Curve @ +25°C
1000
900
;;;800
700
(A)
600
500
400
;300
(A) All 3-20 Amp Models
Overload Trip Times
100%
135%
200%
400%
600%
800%
1000%
No Trip
Trip in 1 hour
2.2-15.0 Sec.
0.55-1.8 Sec.
0.27-0.7 Sec.
0.17-0.45 Sec.
0.12-0.3 Sec.
(B) All 0.25-2 Amp Models
Overload Trip Times
100%
175%
200%
400%
600%
No Trip
Trip in 1 hour
4.5-28.0 Sec.
1.0-6.5 Sec.
0.4-4.0 Sec.
(B)
Ambient Compensation Chart
1.40
1.30
1.20
1.10
1.00
0.90
0.80
0.70
0.60
20 10 0 10 20 30 40 50 60
Ambient Temperature In Degrees Centigrade (°C)
200
175
135
100
To use this chart: Read up from the ambient
temperature to the curve, and across to find a
0 correction factor. Multiply the breaker rating by the
.1
1
10
100
1000
correction factor to determine the compensated
rating. Calculate the overloads in terms of the
Time In Seconds
compensated rating to use the published trip curve.
Do not use these devices outside their specified
operating temperature ranges.
Dimensions are shown for
110 reference purposes only.
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Specifications and availability
subject to change.
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
Datasheet pdf - http://www.DataSheet4U.net/





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