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EATON CNDC Series Electronic Molded Case Circuit Breakers, NG Frame


Eaton CNDC Series electronic moulded case circuit breakers use electronic components (sensors & microprocessors) to control and monitor the electrical circuit. These NG frame units protect against overloading and short-circuiting in electrical systems.

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EATON CNDC312T32WA
StyleModelMPN
A
CNDC312T32W		CNDC312T32W
RFQ
A
CNDC312T33W		CNDC312T33W
RFQ
A
CNDC312T35W		CNDC312T35W
RFQ
A
CNDC312T36W		CNDC312T36W
RFQ
A
CNDC312T52W		CNDC312T52W
RFQ
A
CNDC312T52WPN		CNDC312T52WPN
RFQ
A
CNDC312T52WZG		CNDC312T52WZG
RFQ
A
CNDC312T52WZGP		CNDC312T52WZGP
RFQ
A
CNDC312T56W		CNDC312T56W
RFQ
A
CNDC312T56WPN		CNDC312T56WPN
RFQ
A
CNDC312T56WZG		CNDC312T56WZG
RFQ
A
CNDC312T56WZGP		CNDC312T56WZGP
RFQ
A
CNDC312T56XW		CNDC312T56XW
RFQ
A
CNDC312T56XWPN		CNDC312T56XWPN
RFQ
A
CNDC312T56XWZG		CNDC312T56XWZG
RFQ
A
CNDC312T56XWZGP		CNDC312T56XWZGP
RFQ
A
CNDC312T57W		CNDC312T57W
RFQ
A
CNDC312T57WPN		CNDC312T57WPN
RFQ
A
CNDC312T57WZG		CNDC312T57WZG
RFQ
A
CNDC312T57WZGP		CNDC312T57WZGP
RFQ
A
CNDC312T57XW		CNDC312T57XW
RFQ
A
CNDC312T57XWPN		CNDC312T57XWPN
RFQ
A
CNDC312T57XWZG		CNDC312T57XWZG
RFQ
A
CNDC312T57XWZGP		CNDC312T57XWZGP
RFQ
A
CNDC312T76W		CNDC312T76W
RFQ
A
CNDC312T76XW		CNDC312T76XW
RFQ
A
CNDC312T77W		CNDC312T77W
RFQ
A
CNDC312T77XW		CNDC312T77XW
RFQ
A
CNDC312T106W		CNDC312T106W
RFQ
A
CNDC312T106XW		CNDC312T106XW
RFQ
A
CNDC312T107W		CNDC312T107W
RFQ
A
CNDC312T107XW		CNDC312T107XW
RFQ
A
CNDC2800T33W		CNDC2800T33W
RFQ
A
CNDC3800T32W		CNDC3800T32W
RFQ
A
CNDC3800T33W		CNDC3800T33W
RFQ
A
CNDC3800T35W		CNDC3800T35W
RFQ
A
CNDC3800T36W		CNDC3800T36W
RFQ
A
CNDC3800T52W		CNDC3800T52W
RFQ
A
CNDC3800T52WPN		CNDC3800T52WPN
RFQ
A
CNDC3800T52WZG		CNDC3800T52WZG
RFQ
A
CNDC3800T52WZGP		CNDC3800T52WZGP
RFQ
A
CNDC3800T56WPN		CNDC3800T56WPN
RFQ
A
CNDC3800T56WZG		CNDC3800T56WZG
RFQ
A
CNDC3800T56WZGP		CNDC3800T56WZGP
RFQ
A
CNDC3800T56XW		CNDC3800T56XW
RFQ
A
CNDC3800T56XWPN		CNDC3800T56XWPN
RFQ
A
CNDC3800T56XWZG		CNDC3800T56XWZG
RFQ
A
CNDC3800T56XWZGP		CNDC3800T56XWZGP
RFQ
A
CNDC3800T57WPN		CNDC3800T57WPN
RFQ
A
CNDC3800T57WZG		CNDC3800T57WZG
RFQ
A
CNDC3800T57WZGP		CNDC3800T57WZGP
RFQ
A
CNDC3800T57XWPN		CNDC3800T57XWPN
RFQ
A
CNDC3800T57XWZG		CNDC3800T57XWZG
RFQ
A
CNDC3800T57XWZGP		CNDC3800T57XWZGP
RFQ
A
CNDC3800T76W		CNDC3800T76W
RFQ
A
CNDC3800T76XW		CNDC3800T76XW
RFQ
A
CNDC3800T106W		CNDC3800T106W
RFQ
A
CNDC3800T106XW		CNDC3800T106XW
RFQ
A
CNDC3800T107W		CNDC3800T107W
RFQ
A
CNDC3800T107XW		CNDC3800T107XW
RFQ

Working Mechanism

  • When an overloading or short-circuit condition is detected, the microprocessor in the unit quickly calculates the amount of current flowing in the circuit and compares it to a predetermined threshold.
  • If the current exceeds the threshold, the electronic moulded case circuit breaker sends a signal to activate a tripping mechanism, which opens the circuit and interrupts the flow of current.

Frequently Asked Questions

How are electronic moulded case circuit breakers(EMCCBs) different from traditional mechanical circuit breakers?

EMCCBs use electronic components & microprocessors to control and monitor the electrical circuit, whereas traditional mechanical circuit breakers rely on mechanical components & manual resetting.

Can electronic moulded case circuit breakers be reset after a trip?

Yes, these units can be reset after a trip. Once the fault condition has been cleared, flip the trip unit to reset the breaker.

What are the advantages of the three-pole configuration?

Three-pole circuit breakers are helpful in switchboards and panelboards with dense circuitry as they can protect up to three different circuits.

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