mccb circuit

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mccb circuit Trade Information

Payment Terms Cash on Delivery (COD) Letter of Credit (L/C) Paypal Western Union Letter of Credit at Sight (Sight L/C) Delivery Point (DP) Cash Against Delivery (CAD) Telegraphic Transfer (T/T) Days after Acceptance (DA) Cash in Advance (CID) Cheque Cash Advance (CA)
Delivery Time 1 Days
Sample Available Yes
Main Domestic Market All India

Product Description

MCCB

Molded-case circuit breaker uses electromechanical (thermal magnetic) trip units that may be fixed or interchangeable. An MCCB provides protection by combining a temperature sensitive device with a current sensitive electromagnetic device. Both these devices act mechanically on the trip mechanism. Depending upon the application and required protection, an MCCB will use one or a combination of different trip elements that protect against the following conditions: Thermal overloads; Short circuits; and Ground faults.

Upgraded Breaking Capacity

100AF	125AF	250AF	250AF
10 to 18kA	25 to 37kA	25 to 37 kA	35 to 50kA
400AF	400AF	630AF	800AF
25 to 37kA	35 to 50kA	50 to 65kA	50 to 65kA

Selection Tables

AF		50AF		100AF	125AF		250AF
Frame Type		CSC1		CSC2	CSC3		CSC4
Type		N-Type	S-Type	N-Type	S-Type	H-Type	N-Type	S-Type	H-Type
Type and Pole	2-pole	CSC1N2	CS1S2	CSC2N2	-	-	CSC4N2	-	-
	3-pole	CSC1N3	CSC1S3	CSC2N3	CSC3S3	CSC3H3	CSC4N3	CSC4S3	CSC4H3
	4-pole	CSC1N4	CSC1S4	CSC2N4	CSC3S4	CSC3H4	CSC4N4	CSC4S4	CSC4H4
Rated Current, In	A	15, 20, 30, 40, 50		60, 75, 100	15, 20, 30, 40, 50, 60, 75, 100, 125		100, 125, 150, 175, 200, 225, 250	150, 175, 200, 225, 250
Rated operational	AC(V)	690	690	690	690	690	690	690	690
Voltage, Ue	DC(V)	500	500	500	500	500	500	500	500
Rated Insulation Voltage, Ui	V	750	750	750	750	750	750	750	750
Rated impulse withstand voltage, Uimp	kV	8	8	8	8	8	8	8	8

Related short-circuit breaking capacity(Icu) kA (Sym), IEC 60947-2

AC	690V	2.5	5	5	8	10	8	8	10
	480/500V	7.5	10	10	26	35	10	26	35
	415/460V	14	18	18	37	50	26	37	50
	380V	18	22	22	42	50	30	42	50
	220/250V	30	35	35	85	100	65	85	100
DC	500V(3P)	5	10	10	20	30	10	20	30
DC	250V(2p)	5	10	10	20	30	10	20	30
Ics=% x Icu		100	100	100	100	100	100	100	100
Dimensions (mm)	W x H x D(3-pole)	75 x 130 x 60mm		75 x 130 x 60mm	90 x 155 x 60mm		105 x 165 x 60mm