What is IR and ISD?
NEW DELHI: Reliance Industries-owned Reliance Jio has revised its prepaid recharge vouchers for international subscriber calling (ISD) and international roaming (IR). The revision reduces benefits offered with the plans.
What does QO breaker mean?
Qwik-Open
The “QO” designation stands for “Qwik-Open”; Square D claims these are the fastest-opening breakers in the industry, responding within 1/60th of a second, or just one full power cycle on a 60 Hz AC line. A second miniature circuit breaker line is sold under the brand name Homeline, marked “HOM”.
What is short for circuit breaker?
The generic function of a circuit breaker, or fuse, as an automatic means of removing power from a faulty system is often abbreviated as OCPD (Over Current Protection Device).
What is IR and IM?
Ir: Overload (thermal or long-delay) relay trip-current setting. Im: Short-circuit (magnetic or short-delay) relay trip-current setting. Ii: Short-circuit instantaneous relay trip-current setting.
What is ISD electrical?
The short-time pickup (Isd) sets current level (below instantaneous trip level) at which circuit breaker will trip after the preset time delay.
Which is better QO or Homeline?
2 Answers. Homeline is the “price competitive” model from SquareD, QO is the higher quality panel. The difference is probably mostly due to historical reasons given all the consolidations in the electrical manufacturing industry.
What is the meaning OFCO?
The definition of c/o is the abbreviation for care of or cash order. An example of c/o is what you write along with a name as the first line in an address on an envelope when the person to whom you are sending the letter is not a known resident at the address.
What is TC in electrical?
TC Series Control Circuit Transformers.
What is IM in current?
Induction Motor (IM) is a type of alternating current motor where power is supplied to the rotor by means of electromagnetic induction.
What is ICW in breaker?
Icw is the maximum current that the B category circuit breaker can withstand, thermally and electrodynamically, without sustaining damage, for a period of time given by the manufacturer.