Motor type code search.
Fire pump motor nema code.
Usage service guidelines.
Standard 3 phase motors often have these locked rotor codes.
Three phase open dripproof odp energy efficient motors ul.
The starting kva required by a motor starting at full voltage is determined from the nameplate on the motor or from the manufacturer.
Nema premium csa ce iso9001 certified.
When designing or installing electrical power supplies for fire pumps and their accessories you must apply special rules as listed in nfpa 70 the national electrical code nec and the standard for centrifugal fire pumps cfp nfpa 20.
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.
Titan horizontal motors catalog pb210.
B fire pump applications are discussed in article 695 of nfpa 70.
Three phase modifiable nema horizontal motors catalog pb202.
Designing electrical systems for fire pumps.
Though critical to proper motor selection these designations are easy to misinterpret.
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.
In general it is accepted that small motors requires higher starting kva than larger motors.
Since fire pumps are considered life safety equipment they must be reliable.
The nameplates of alternating current ac motors built to national electrical manufacturers association nema standards reference a system of alphabetical letters that designate the principal characteristics of each motor code design and insulation class.
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.
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.
