Are TEFC motors rated for Class 1 Div 2?
Class I, Division 2 Motors TEFC (Totally Enclosed, Fan Cooled) motors and ODP (Open Drip -proof) motors can be used in Division 2 locations provided they do not have ignition sources such as arc-producing brushes or switching mechanisms.
Does Class 1 Div 2 require explosion proof motor?
While Division 1 motors in Class I locations must be explosion-proof, Class II, Division 1 motors must be dust- ignition-proof. The characteristics of dust-ignition-proof motors differ from those of their Class I counterparts.
Are TEFC motors rated for Class 2 Div 2?
RE: TEFC in Class 2 Div 2 Group G If you r location is Class-II, Division 2 ( not dust blanketed) you are allowed to use TEFC motors.
Can a Tefc motor be used outdoors?
A totally enclosed, fan-cooled (TEFC) motor is much more adaptable to outdoor locations and high moisture areas. With a bit of care, you can expect this type of motor to work well and have a long life.
Are TEFC motors explosion proof?
The enclosure is “Totally Enclosed”. This means that the motor is dust tight, and has a moderate water seal as well. TEFC motors are not secure against high pressure water nor submersible. They are also not explosion proof without additional modifications.
What is Tefc enclosure?
Totally Enclosed Fan Cooled (TEFC) Air comes through an external fan at the end bell and blows over the motor, keeping the inside clean. The air in the motor recirculates and is cooled by heat transfer through the frame. These are now the standard for motor enclosures in most applications.
Can a Tefc motor be explosion-proof?
What is a Tefc enclosure?
Are TEFC motors waterproof?
This means that the motor is dust tight, and has a moderate water seal as well. TEFC motors are not secure against high pressure water nor submersible. They are also not explosion proof without additional modifications.
What is a Tefc motor enclosure?
TOTALLY-ENCLOSED FAN-COOLED (TEFC) — Basically a TENV motor which has an external fan to blow cooling air over the motor. The additional cooling eliminates the necessity of a more costly oversized TENV motor.
What is Opsb motor enclosure?
ODP = Open Drop Proof | OPSB = Open Slotted Band, technically it is the same and Baldor is the one who uses the OPSB terminology, ODP is open at the front and back of the motor, OPSB is open at the front back and on the body or band of the motor, again this is Baldor only.
What type of motor is a Tefc?
Totally Enclosed, Fan-Cooled
A Totally Enclosed, Fan-Cooled (TEFC) electric motor is a type of industrial electric motor with an enclosure that does not permit outside air to freely circulate through the interior of the motor.