Minimum order quantity is three. Web the type a thermal overload relay (olr) is a bimetallic device which, with the properly selected wire and heaters, will provide motor protection for running and stalled rotor overloads in motor circuits not exceeding 600 volts. A class 30 overload relay will trip in 30 seconds or less at a current equal to 600 percent of its rating. Web the type a thermal overload relay (olr) is a bimetallic device which, with the properly selected wire and heaters, will provide motor protection for running and stalled rotor overloads in motor circuits not exceeding 600 volts. Please note, after putting in your measurements, our pool heater calculator will ask you to put in the current temperature of your pool and the desired temperature.
Web a class 30 overload relay will trip in 30 seconds or less at a current equal to 600 percent of its rating. Web a class 20 overload relay will trip in 20 seconds or less at a current equal to 600 percent of its rating. Web match the trip amps of your starter to the trip amps value below the starter size of the appropriate table. Most heat loss happens overnight. Web class 9065 catalog for overload relays and thermal unit selection.
If motor amps are not. Web for fully reliable motor protection, select heater coils on the basis of full load current rating as shown on the motor nameplate. Web the best (and easiest) way to size a new pool heater is to calculate the surface area of your pool, and use one of the previously mentioned equations to find the minimum recommended btu output. All cr123k and 123l heaters are packaged three to a carton. The choice should be as close as possible but not greater than the selected trip amp value in the table to allow for proper protection.
Overload Heater Size Chart
Overload Heater Size Chart
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westinghouse overload heater sizing chart Focus
Square D Thermal Overload Chart A Visual Reference of Charts Chart
Square D Overload Chart
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Overload Heater Sizing Chart
The size 1 and 2 olr’s have a maximum current rating of 26.2 and 45.0 amperes respectively. Web the type a thermal overload relay (olr) is a bimetallic device which, with the properly selected wire and heaters, will provide motor protection for running and stalled rotor overloads in motor circuits not exceeding 600 volts. This document also includes application data and approximate dimensions. A class 30 overload relay will trip in 30 seconds or less at a current equal to 600 percent of its rating. Web you can go up to 1.25, but 1.15 is more traditional for sizing heaters, is really all they're saying. If motor amps are not. Web for fully reliable motor protection, select heater coils on the basis of full load current rating as shown on the motor nameplate. Select in order, the base catalog number, the nema type of enclosure, and the column to be used in the proper table by nema size. All cr123k and 123l heaters are packaged three to a carton. Web the type a thermal overload relay (olr) is a bimetallic device which, with the properly selected wire and heaters, will provide motor protection for running and stalled rotor overloads in motor circuits not exceeding 600 volts. Web standard trip — class 20 heater selection. Web the table below should be used to determine which column of motor full load amperes applies for heater selection. Refer to the specified table and use the controller size and motor amps to Web a class 30 overload relay will trip in 30 seconds or less at a current equal to 600 percent of its rating. Each heater is identified by a catalog number stamped on one terminal.
Refer To The Specified Table And Use The Controller Size And Motor Amps To
Single phasemotor full load amps of the same horsepower, voltage and speed vary over wide ranges. Nema control siemens industrial control products heater tables and replacement parts 17 size heater. Most heat loss happens overnight. The size 1 and 2 olr’s have a maximum current rating of 26.2 and 45.0 amperes respectively.
All Cr123K And 123L Heaters Are Packaged Three To A Carton.
I tend to pick overload heaters from the manufacturer's overload heater chart and not the book anyhow. Catalog numbers are for 3 heater packs. Minimum order quantity is three. The job of a pool heater is to replenish the heat loss at the surface of your pool.
Each Heater Is Identified By A Catalog Number Stamped On One Terminal.
Heater table number is found in the column under the type of overload and phase. Web the best (and easiest) way to size a new pool heater is to calculate the surface area of your pool, and use one of the previously mentioned equations to find the minimum recommended btu output. Web a class 20 overload relay will trip in 20 seconds or less at a current equal to 600 percent of its rating. Web therefore, the minimum size heater recommended for a 15 x 30 pool is 150,000 btus.
Web Reliable Motor Protection, Select Heater Elements By Using The Full Load Motor Nameplate Amps.
Web class 9065 catalog for overload relays and thermal unit selection. A class 30 overload relay will trip in 30 seconds or less at a current equal to 600 percent of its rating. Web enter your swimming pools size below to see which pool heater is right for you! If motor amps are not.