1657-G21 Datasheet, PDF (3/4 Pages) ETAL Group – Power tools, Industrial equipment, Medical equipment, Power generators, Motors, Battery chargers, UPS

Thermal Overcurrent Circuit Breaker 1657-...
Typical time/current characteristics
Accessories
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The time/current characteristic curve depends on the ambient temperature
prevailing. In order to eliminate nuisance tripping, please multiply the circuit
breaker current ratings by the derating factor shown below. See also section
Technical information.
Ambient temp. °F +14 +32 +50 +77 +95 +104 +122 +140
Ambient temp. °C -10 0 10 25 35 40 50 60
Derating factor
0.77 0.83 0.91 1 1.06 1.18 1.37 1.47
050215
This
is
a
metric
design
and
millimeter
dimensions
take
precedence
(
mm
inch
)
All dimensions without tolerances are for reference only. In the interest of improved design,
performance and cost effectiveness the right to make changes in these specifications
without notice is reserved.Product markings may not be exactly as the ordering codes.
Errors and omissions excepted.
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