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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 h...ave an interrupt rating of 10kAIC.Read more

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EATON CHQ115CSA
EATON CHQ120B
EATON CHQ140CSC
EATON CHQ145D
EATON CHQ130E
EATON CHQ140F
EATON CHQ130CSG
EATON CHQ150CSH
EATON CHQ135I
EATON CHQ260J
EATON CHQ235K
EATON CHQ225L
EATON CHQ250CSM
EATON CHQ220N
EATON CHQ220CSO
EATON CHQ250P
EATON CHQ230CSQ
EATON CHQ240R
EATON CHQ230S
EATON CHQ240CST
EATON CHQ245U
StyleModelNumber Of PolesCircuit Breaker TypeVoltagePrice
A
CHQ115CS		1CH120/240V-
RFQ
B
CHQ120		1CH120/240V-
RFQ
C
CHQ140CS		1CH120/240V€90.91
D
CHQ145		1CH120/240V€82.07
E
CHQ130		1CH120/240V-
RFQ
F
CHQ140		1CH120/240V€20.75
A
CHQ115		1CH120/240V€18.30
G
CHQ130CS		1CH120/240V€95.52
H
CHQ150CS		1CH120/240V-
RFQ
I
CHQ135		1CH120/240V€73.71
J
CHQ260		2CH120/240V-
RFQ
K
CHQ235		2CH120/240V€206.05
L
CHQ225		2CH120/240V€49.92
M
CHQ250CS		2CH120/240V-
RFQ
N
CHQ220		2CH120/240V€206.05
O
CHQ220CS		2CH120/240V-
RFQ
P
CHQ250		2CH120/240V€44.70
Q
CHQ230CS		2CH120/240V-
RFQ
R
CHQ240		2CH120/240V-
RFQ
S
CHQ230		2CH120/240V€49.92
T
CHQ240CS		2CH120/240V€218.45
U
CHQ245		2CH120/240V€49.92

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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