YOKOGAWA @ Elapsed Time Meters MINUTES Back of Panel New Big Look Square Case Unmounted Panel Mounted Specifications Input Range: All Type 240 models available Accuracy: Matches frequency control of power system. Vibration Shock: Meets ANSI Specification C39.1 Materials: Case of clear Polycarbonate, frame of black Polycarbonate, brass terminal studs, Polycarbonate front covers. Safety: Type 240 elapsed-time meters are rec- ognized under the Component Program of Underwriters Laboratories. (UL File #44857) & CSA to operate on 120 or 208/240 or 480 volts AC, 50 or 60 Hertz. Sealing: All non-reset Type 240 models are weather resistant. Sealed window and no- through screw holes for flange or back-of- panel mounting protect motor, counter, and gearing from rain or panel wash-down. Presentation: 6-digit counter in %2" high hours and tenths of hours or minutes and tenths of minutes. Insulation Level: Operating at 120, 208, 240 or 480 volts AC, will pass Hi-pot of 2000 Vams for one minute. Round Case Conduit Case Burden: 3 Watts typical. Dimensions: See pages 38 & 39. Motor: Telechron, Model S-1. Features: * Back-of-panel model 2% and 34 New Big Look models e 2% and 3% Round and Square models Conduit-case models * Complete interchangeability physically and electrically with most GE Types 235 and 236 models * Optional 3 stud mounting is available on 314 New Big Look style 240 meters only. aor Nonreset Type Reset Type Oo AC Register in Minutes Register in Hours Register in Minutes Register in Hours 2%-INCH NEW BIG LOOK 60Hz Hz SQUARE CASE 2%-INCH 60 SQUARE CASE 3%-INCH 60 Hz ROUND CASE 2%-INCH 60 Hz 3%4-INCH NEW BIG LOOK 60 Hz ROUND CASE 3%-INCH 60 HzBACK-OF-PANEL 60 Hz CONDUIT-MOUNTED CASE 2%-INCH 60 Hzt + Replacement meters for conduit-mounted case models not available as a separate item. However, motors can be supplied as a renewal part, 50-HERTZ RATINGS FOR NEW BIG LOOK OPTIONAL 3-STUD MOUNTING For 50 Hz service simply select the identical 60 Hz catalog For 3-stud mounting option (3% New Big Look only) simply select number and change letters 7 & 8 as follows: the identical 4-stud catalog number and change letters 9 & 10 as 240213 ** AB follows: AA = 120V, 60 Hz 240313AA* AB = 208/240V, 60 Hz AB = Std 4 stud mounting AC = 480V, 60 Hz AC = Optional 3 stud mounting AD = 120V, 50 Hz AE = 208/240V, 50 Hz Conduit case #2579K10G0700 can be ordered as a replacement item for AF = 480V, 50 Hz the 240 25***** elapsed time meter assembly or for use with a 2% Big Look meter.2.215 dia max fe 1.2 Oe 0.06 e3.420 max | 0.68 = Hir 0.08 0.096 +0.003, No.8-32NC-2A 0.38 dp * 2)term stud (2holes) Sa *These dimensions for reset Models only zal 0.005 R.max. typ +0.008 | 0.298 +0.004 0.740 40.005 50 TOGoR Gq 49 #0478 lors 0.064 t0.004 te 0.004 0.166 dia hole -0.144 dia(2 holes) *+0.004 I Panel Drilling Fig. 21. Type 240 Back-of-panel model 8-32NC-24 # Denotes dens for reset models only OT Sha - Sholes @q sp on 3.164 *0.020" : dia. bolt circle | M1 A|B|CID/E|F] G/H| | {|J/ KIL SIZE 24BL | 2.68] .48 | .72 |.14] .21 | 38] 38 (2.215 3.33 | .68 | 30 | 2.22 34% BL | 3.51] 48 | .72 |.14] 22] 38) 38 [2.215 3.32 | .68 | 30 | 2.22 Fig. 23. 24-3%4-inch Type 240 round case 0.128 Dia. thru hole x 0.230 dia. C bore \, (4 places) * + A + 1 E*\\ ay 4 | Term stud (2) kK" J "_ 6-32 NC - 2A *Denotes dims. for reset models only __ 0.147 dia t os, (4 holes) M = bs + M t Z se | A|B|IC;/D/E|F|G{|H{| | {|J/K{]LIM 2BL | .94 | .68 |.72/2.38) 48 | 14] .25 -38 | 2.215 [3.286] .76 | 2.22 | 94 34BL | 1.12 | .68 |.72)3.0] 48] 14] .25 -38 | 2.215 [3.286] .76 | 2.22 11.125 Fig. 22. Type 240 square case ~~ L conbuit FITTING Fig. 24. Type 240 conduit-mounted case 39= YOKOGAWA @ Dimensional Drawings Fig. 2. New Big Look 2%-inch Types 250 & 254 *2.270 dia. with shield 2.69 2.112 1.056] 1.219 1.829 87 11.318 2.15 1. No. 4-40 NC 2A (3 Studs) el Drilling 2. 140 dia. (No. 28) (3 holes) 3. 1/4 -28 NF 2A thd. Fig. 3. New Big Look 31/2-inch Types 250 & 254 *2.860 dia. with shield F* 3.5 2.373) 2. 1.582 2.72 1.318 27 (3) Panel Drilling 1. No. 4-40 NC 2A (3 Studs) 2. 4 - 28 NF 2A thd. 3. .140 dia. (No. 28 dr.) (3 holes) Fig. 4. New Big Look 41/2-inch Types 250 & 254 *2.860 dia. with shield H* 1. No. 4-40 NC 2A (4 Studs) 2. 1/4 - 28 NF 2A thd. 4.85 441 2.031] . 3.562 2.72 1.85 3. .140 dia. (No. 28 dr.) (4 holes) 33