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4 | CX-Series Circuit Breaker - General Specications
O
H
M
S
0.1
1
10
100
1 10010
0.001
0.01
0.10.01
1000
AMPERE RATING
RESISTANCE, IMPEDANCE VALUES
from Line to Load Terminals
(Values Based on Series Trip Circuit Breaker)
Current
(amps)
Tolerance
(%)
0.1 -5.0 15%
5.1-20.0 25%
20.1-125 35%
RESISTANCE PER POLE VALUES
from Line to Load Terminals
(Values Based on Series Trip Circuit Breaker)
100-125
Electrical
Maximum Voltage 600 VDC
Overload 50 operations at 600% of rated
current for UL489, and at 150% of
rated current for UL1077.
Mechanical
Endurance Max 10,000 ON-OFF operations @
6 per minute; 6000 with rated
current & voltage, and 4,000 cycles
mechanical.
Trip Free Trips on overload even when
actuator is forcibly held in the “On”
position.
Trip Indication The operating handle moves
positively to the “Off” position when
an overload causes the breaker
to trip.
Environmental
Shock Withstands 100 Gs, 6ms saw tooth
while carrying rated current per
MILPRF-55629 and MIL-STD-
202G, Method 213G, Test Condition
“I”. Instantaneous and ultra short
curves tested at 90% of rated current
Vibration Withstands 0.060” excursion
from 10-55 Hz & 10 Gs 55-500 Hz,
at rated current per MIL-PRF-55629
and MILSTD-202G, Method 204D,
Test Cond. A. Instantaneous &
ultrashort curves tested at 90% of
rated current.
Moisture Resistance MIL-PRF-55629 and MIL-STD-
202G, Method 106G, i.e., Ten 24-
hour cycles at +25°C to +65°C, 80-
98% RH.
Salt Spray Method 101, Condition A (90-95%
RH at 5% NaCl Solution, 96 hrs).
Thermal Shock MIL-PRF-55629 and MIL-STD-
202G, Method 107G, Condition A
(5-cycles at -55°C to +25°C to
+85°C to +25°C).
Operating Temperature -40°C to +85°C.
Physical
Number of Poles 1- 2 poles, + Auxiliary Switch Pole.
Termination 10-32 or M5 Screw Terminals
1/4-20 or M6 Threaded Stud
Terminals
Termination Barrier Standard with multi-pole constructions
Mounting Threaded insert: #6-32 UNC-2B, or
M3X0.5-6H B ISO (2 per pole)
Actuator Handle, 1 per pole.
Internal Circuit Cong. Series Trip
Materials Housing - Glass lled Polyester
Handle - Glass lled Polyester
Line/Load Terminals - Copper Alloy.
~150 Grams (~5.3 Ounces).
Weight ~150 Grams (~5.3 Ounces).
Standard Color Housing - Gray.
Handle - White, Black, Red, Green,
Blue, Yellow, Gray,
CURRENT
(AMPS)
TOLERANCE
(%)
0.10 - 5.0 15
5.1 - 20.0 25
20.1 - 50.0 35