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B-Series Circuit Breaker – General Specifications
2
Electrical
Maximum Voltage
Current Ratings
Mechanical
277VAC 50/60 Hz, 80VDC
Standard current coils: 0.100,
0.250, 0.500, 0.750, 1.00, 2.50,
5.00, 7.50, 10.0, 15.0, 20.0, 25.0,
30.0, 35.0, 40.0 and 50.0 amps.
Other ratings available, see
ordering scheme.
Endurance
10,000 ON-OFF operations @ 6 per
minute; with rated Current and
Voltage.
All B-Series Circuit Breakers will
trip on overload, even when Handle
is forcibly held in the ON position.
The operating Handle moves
positively to the OFF position when
an overload causes the breaker to
trip.
Trip Free
Trip Indication
Standard Voltage Coils DC - 6V, 12V; AC - 120V, other
ratings available, see ordering
scheme.
Auxiliary Switch Rating SPDT; 10.1 AMPS - 250VAC,1.0A
65 VDC or 0.5A 80 VDC, 0.1 Amps
- 125VAC (with gold contacts).
Physical
Number of Poles
1 - 6 poles at 30 Amps or less. 1
and 2 poles at 31 Amps thru 50
Amps.
VDE-1.0 Amp - 125VAC.
Minimum of 100 Megohms at 500
VDC.
Insulation Resistance
Dielectric Strength
Internal Circuit Config. Series, (with or without auxiliary
switch), Shunt and Relay with
UL, CSA-1500 V 50/60 Hz for one
minute between all electrically
isolated terminals. B-Series circuit
breakers comply with the 8mm
spacing and 3750V 50/60 Hz
dielectric requirements from
hazardous voltage to operator
accessible surfaces, between
adjacent poles and from main
circuits to auxiliary circuits per
Publications EN 60950 and VDE
0805.
current or voltage trip coils, Dual
Coil, Switch Only (with or without
auxiliary switch).
Approximately 65 grams/pole.
(Approximately 2.32 ounces/pole.)
Housing- Black; Actuator - See
Ordering Scheme.
Weight
Standard Colors
Environmental
Designed and tested in accordance with requirements of
specification MIL-PRF-55629 & MIL-STD-202 as follows:
Resistance, Impedance Values from Line to Load Terminal
- based on Series Trip Circuit
Breaker.
RESISTANCE PER POLE VALUES
from Line to Load Terminals
(Values Based on Series Trip Circuit Breaker)
Shock
Withstands 100 Gs, 6ms, sawtooth
while carrying rated current per
Method 213, Test Condition “I”.
Instantaneous and ultra-short
curves tested @ 90% of rated
current.
Withstands 0.060” excursion from
10-55 Hz, and 10 Gs 55-500 Hz,
at rated current per Method 204C,
Test Condition A. Instantaneous
and ultrashort curves tested at 90%
of rated current.
CURRENT
(AMPS)
TOLERANCE
(%)
0.10 - 5.0
5.1 - 20.0
20.1 - 50.0
15
25
35
Vibration
Moisture Resistance
Method 106D, i.e., ten 24-hour
cycles @ + 25°C to +65°C, 80-98%
RH.
Salt Spray
Method 101, Condition A (90-95%
RH @ 5% NaCl Solution, 96 hrs).
Method 107D, Condition A (Five
cycles @ -55°C to +25°C to +85°C
to +25°C).
Pulse Tolerance Curves
Thermal Shock
Operating Temperature -40° C to +85° C
*Manufacturer reserves the right to change product specification without prior notice.
Email: sales@carlingtech.com Application Support: team2@carlingtech.com
Phone: (860) 793–9281 Fax: (860) 793–9231 www.carlingtech.com
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