| CONTROL
CIRCUIT
The laminated
magnetic circuit, in the movabe as well as the fixed parts, is made
with trhee limbs in which the coil is housed. The supply can be
AC or DC with economy resistor, and the unique design provides very
strong attraction with low coil consumption and very regular movement.
Special care has been applied in the design of the magnetic circuit,
to assure that the closing and opening of the contacts is performed
in a single continuous movement, without vibration or bounce, even
with relatively unstable voltages. Quiet continuous operation is
also maintained even with drops in voltage, whilst still maintaining
strong pressure on contacts. Coils are safely constructed of choice
materials, insulated according to the latest standards and are tropicalized
as standard.
MAIN POLES
Depending
upon their use, type N contactors can be fitted
with the following type of poles:
-
"V", without magnetic blow-outs
and without arc chutes, for switching at no-load, or under resistive
load. Suitable for control of starting resistors and capacitors;
-"S", with
magnetic blow-outs and arc chutes, for switching under inductive
load up to 10 times the rated current with voltage up to 500V. Suitable
for control of squirrelcage motors;
- "FS",
with special magnetic blow-outs, deflectors and arc chutes with
spark arresting sheets for switching under inductive load up to
10/20 times the rated current, and voltages above 500V. Suitable
for control of AC and DC motors and line circuit breakers.
For all above
types, the pressure and the contact's gaps are widley adjustable
so realising the possibility of recovering the back-lash produced
by the normal wear of contacts.
General
Characteristics | Electrical
Characteristics | Overall
Dimensions | Contactors
type TAN | Contactors
type TDN |
Contactors
type TADN | Contactors
type NF, NFS, NHF | Contactors
type CN
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