Titan horizontal motors catalog pb210.
Fire pump motor nema code.
Motor type code search.
The starting kva required by a motor starting at full voltage is determined from the nameplate on the motor or from the manufacturer.
Conductors supplying only a fire pump motor must have a minimum ampacity of at least 125 of the motor full load current rating as required by 430 22 695 6 b 2 as shown in fig.
Designing electrical systems for fire pumps.
Three phase open dripproof odp energy efficient motors ul.
Though critical to proper motor selection these designations are easy to misinterpret.
Fire pump motors overview 512kb.
Branch circuit conductors to a single fire pump motor must have a rating of not less than 125 of the motor flc as listed in tables 430 248 or 430 250.
Three phase modifiable nema horizontal motors catalog pb202.
The overload protection provided in the fire pump controller is the only overload protection permitted in the normal supply to the fire pump and is the only device permitted to open the motor circuit under locked rotor conditions 10 4 4 so the circuit s ocpd provides protection only for short circuit or ground faults.
An odp enclosure can protect the motor s interior from water falling on top of the motor but not from water coming from the sides.
Usage service guidelines.
In general it is accepted that small motors requires higher starting kva than larger motors.
Standard 3 phase motors often have these locked rotor codes.
Nema premium csa ce iso9001 certified.
B fire pump applications are discussed in article 695 of nfpa 70.
Nema close coupled pump motors are specifically designed for use on industrial and commercial pumping units.
A a fire pump motor should be in accordance with nfpa 20 9 5 1 1 which states that it must comply with nema design b standards and be listed for fire pump service.
If the fire pump will be inside a room then a odp enclosure and nema 2 enclosure for the fire pump controller is sufficient even with sprinklers installed.
