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POTTER & BRUMFIELD W28 series SWITCHABLE OR PUSH TO RESET FUSEHOLDER-TYPE THERMAL CIRCUIT BREAKER
· 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.
Calibration: Will continuously carry 100% of rating.
3-20A models - may trip between 101% and 134%, but
must trip at 135% of rating within one hour at +25C.
0.25-2A models - may trip between 101% and 174%,
but must trip at 175% of rating within one hour at +25C.
Dielectric Strength: Over 1,500 volts RMS.
Maximum Operating Voltages: 32VDC; 250VAC, 50/60 Hz.
Interrupt Capacity: 1,000A at 250VAC, 50/60 Hz. and 32VDC in
accordance with UL standard 1077.
Resettable Overload Capacity: Six times rated current for 0.25A through
2A models. Ten times rated current for 3 - 20A models.
Reset Time: 180 seconds max. for 0.25A through 2A models. 10 to 60
seconds for 3 through 20A models.
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
(not shown).
Approx Weight: 0.35oz (10g).
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