Circuit Breaker CAW1-2000/1250A fixed type - VFD | Soft Starter | Dry type power transformer | Static VAR Compensators

Circuit Breaker CAW1-2000/1250A fixed type

$1,225.00 incl. tax

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Description
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Circuit breaker CAW1-2000/1250A fixed type

Rated Voltage: 400 V, 690 V;

Rated Current: 1250 A

Size: 435 mm x 402 mm x 349.5 mm

Payment method: T/T Prepayment 100%

Delivery time: 15 days after prepayment

Incoterms: FOB Wenzhou

CAW1-2000/1250A fixed type series intelligent circuit breaker (hereinafter referred to as breaker) is suitable for the

circuit of AC 50/60Hz with rated voltage 400V, 690V and rated current 1250A .It is

mainly used to distribute electric energy and protect circuit and power supply equipment

from overload, under-voltage short-circuit ,and single-phase earthing .With intelligent and

selective protection functions, the breaker can improve the reliability of power supply, and

avoid unnecessary power failure . The breaker is applicable for power stations, factories ,

mines(for 690V) and modern high-building, especially for the distribution system of intelligent

building. The breaker conforms to IEC60947-2. The whole series have past CCC certification.

Specification

Type		CAW1-2000
Frame rated current I_nm (A)		2000
Number of poles		3,4
Rated current I_n (A)		1250
I_cu (Ka)	400 V	80
	690 V	50
I_cs= I_cw (Ka)	400 V	50
	690 V	40
Rated current at N-pole I_n (A)		50%I_n, 100%I_n
Inherent making & breaking time		23-32ms
Operational performance (operations)	Electric Life	500
	Mechanical life	Maintenance-free 2500 Maintenance 10000
Mounting mode		Fixed withdrawable
Arcing distance (mm)		0
Intelligent controller		Standard type (M) telecommunication type (H)

Accessories

Shunt release

a. Shunt release is for remote breaking of circuit breaker so as to enhance security of the operator

b. Ratings of shunt release

Rated operation voltage (V)	AC220V	AC380V	DC110V	DC220V
Operating voltage range	(70%~110%)U_e
Power consumption	24VA	24VA		40W

Under-voltage release

a. It is an optional accessory;

b. Mainly used to protection apparatus from damage due to lowering of the operational voltage to a certain value;

c. Two types of release are available: instantaneous release and time-delay release;

d. For breakers appended with the release, it should be electrified continuously;

e. Ratings of under-voltage release

Rated operation voltage (V)	AC220V	AC380V	DC110V	DC220V
Operating voltage range	(35%~110%)U_s
Power consumption	24VA	24VA		40W

Category		Under-voltage time-delay release	Under-voltage instantaneous release
Operation time of the release		time-delay: 1s, 3s, 5s	instantaneous
Operational voltage of the release	35%U_s~70%U_s	Break the breaker	Break the breaker
	≤35%U_s	Can not make the breaker	Can not make the breaker
	≥85%U_s~110%U_s	Reliably make the breaker	Reliably make the breaker
Within ½ delay time, voltage of power supply recovers to 85% U_s		Can not trip the breaker

Note: Error the time of time-delay is ±10%

Closing electro-magnet

a. The magnet is for remote making of circuit breaker so as to enhance security of the operator.

b. The magnet could not be electrified for a long time.

c. Rating of the magnet.

Auxiliary Contact

a. Conventional heating current of auxiliary contact: 6A

b. Auxiliary contacts: 4NO+4NC, 3NO+NC, 5NO+5NC (customization)

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