Data Sheet

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Weidmüller Interface GmbH & Co. KG
Klingenbergstraße 16
D-32758 Detmold
Germany
Fon: [phone]
Fax: [phone]
www.weidmueller.com
3 Amps ciquit breaker
Characteristics
We reserve the right to make technical changes.
Push to Reset
Fuseholder-Type
Thermal P & B Circuit Breaker
Time vs. Current Trip Curve @ +25°C
Ambient Compensation Chart
(A)
(A) 3 Amp Model
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.
1000
900
800
700
600
500
400
300
200
100
0
.1 1 10 100 1000
Load Current As A Percent
Of Breaker Rating
Time In Seconds
175
135
–20 –10 0 10 20 30 40 50 60
1.40
1.30
1.20
1.10
1.00
0.90
0.80
0.70
0.60
Correction Factor
Ambient Temperature In Degrees Centigrade (°C)
To use this chart: Read up from the ambient temper-
ature to the curve, and across to find a correction fac-
tor. Multiply the breaker rating by the correction fac-
tor to determine the compensated rating. Calculate
the overloads in terms of the compensated rating to
use the published trip curve.
Do not use these devices outside their specified
operating temperature ranges.
Features
• Push to reset.
• Approved to many international standards.
• Replaces slow blow glass cartridge fuse.
• Labor-saving snap-in mounting.
• Button extends for visual trip indication.
Electrical Data @ 25°C
Calibration: Will continuously carry 100% of rating.
may trip between 101% and 134%, but
must trip at 135% 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.
Mechanical/Environmental Data
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).
Resettable Overload Capacity: Ten times rated current
Reset Time: 5 to 30 seconds
3.0 0.069
Agency Approvals
UL 1077 Recognized as Supplementary Protectors, File
E69543, and CSA Accepted as Supplementary Protectors (Appliance
Component Protectors), File LR15734.
VDE approved for use in office equipment (AC loads only) and provides
8mm isolation.
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 confirm the product meets the
requirements for a given application.
Typical Resistance vs. Current Rating @ +25°C
Current
Rating
in Amps
Typical
Resistance
in Ohms