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EATON CHQ Series Thermal Magnetic Circuit Breakers


Eaton CHQ Series thermal magnetic circuit breakers are the classified replacement circuit breakers that replace & match the performance of original equipment breakers in commercial & light industrial electrical panels. They provide a reliable & cost-effective way to replace a breaker without replacing the entire electrical panel. These UL classified CHQ Series replacement breakers have been tested in Square D QO Series loadcenters for replacing Square D QO Series breakers. They have an interrupt rating of 10kAIC....Read more

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EATON CHQ250CSA
EATON CHQ130CSB
EATON CHQ230CSC
EATON CHQ240CSD
EATON CHQ115CSE
EATON CHQ220CSF
EATON CHQ120G
EATON CHQ220H
EATON CHQ225I
EATON CHQ130J
EATON CHQ230K
EATON CHQ235L
EATON CHQ135M
EATON CHQ140N
EATON CHQ140CSO
EATON CHQ240P
EATON CHQ145Q
EATON CHQ245R
EATON CHQ150CSS
EATON CHQ250T
EATON CHQ260U
StyleModelAmpsCircuit Breaker TypeVoltagePrice
A
CHQ250CS		-CH120/240V-
RFQ
B
CHQ130CS		-CH120/240V€95.53
C
CHQ230CS		-CH120/240V-
RFQ
D
CHQ240CS		-CH120/240V€218.45
E
CHQ115CS		-CH120/240V-
RFQ
E
CHQ115		15ACH120/240V€19.96
F
CHQ220CS		20ACH120/240V-
RFQ
G
CHQ120		20ACH120/240V-
RFQ
H
CHQ220		20ACH120/240V€41.48
I
CHQ225		25ACH120/240V€49.92
J
CHQ130		30ACH120/240V-
RFQ
K
CHQ230		30ACH120/240V€49.92
L
CHQ235		35ACH120/240V€206.05
M
CHQ135		35ACH120/240V€73.72
N
CHQ140		40ACH120/240V€20.75
O
CHQ140CS		40ACH120/240V€90.91
P
CHQ240		40ACH120/240V-
RFQ
Q
CHQ145		45ACH120/240V€82.07
R
CHQ245		45ACH120/240V€49.92
S
CHQ150CS		50ACH120/240V-
RFQ
T
CHQ250		50ACH120/240V-
RFQ
U
CHQ260		60ACH120/240V-
RFQ

Working Mechanism

  • Eaton CHQ Series thermal magnetic circuit breakers use a trip mechanism to sense the current flowing through them.
  • When the current exceeds the breaker's rated capacity, the trip mechanism triggers to open the circuit, interrupting the flow of electrical current and preventing further damage to the electrical system.
  • They can be manually reset to quickly restore power to the circuit.

Frequently Asked Questions

What are the electrical ratings of these Eaton CHQ Series thermal magnetic circuit breakers?

They have current ratings ranging from 15 to 60A and a voltage rating of 120 / 240VAC.

How much space do these circuit breakers need in a loadcenter?

The single-pole Eaton CHQ Series thermal magnetic circuit breakers require one 3/4-inch (19.1 mm) space, whereas 2-pole circuit breakers, with a common trip, need two 3/4-inch spaces.

What wire size is required for connecting to these Eaton CHQ Series thermal magnetic circuit breakers?

They can be connected to a #14 to 8 AWG or two #14 to 10 AWG sized copper / aluminium wires.

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