255-250-DNDN-UL YOKOGAWA, 255-250-DNDN-UL Datasheet - Page 30

• Manufacturer Part Number: 255-250-DNDN-UL
• Description: FREQUENCY PANEL METER MODEL 255-2 55-65HZ 240VAC UL
• Manufacturer: YOKOGAWA

Specifications of 255-250-DNDN-UL

• Meter Range: 55Hz To 65Hz
• Meter Size/dimensions: 2.5" X 2.5"
• Scale Length: 2.06"
• Meter Function: Frequency

24
2
3
SQUARE CASE 2
SQUARE CASE 3
ROUND CASE 2
ROUND CASE 3
Specifications
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
recognized under the Component Program of
Underwriters’ Laboratories. (UL File #E91703)
& CSA
1
1
⁄
⁄
2
2
-INCH NEW BIG LOOK — 60Hz
-INCH NEW BIG LOOK — 60 Hz
Motor
Back of Panel
Volt
Unmounted
AC
120
240
480
120
240
480
120
240
480
120
240
480
120
240
480
120
240
480
1
1
⁄
⁄
2
2
1
1
-INCH — 60 Hz
-INCH — 60 Hz
Register in Minutes
⁄
⁄
2
2
-INCH — 60 Hz
-INCH — 60 Hz
240 213 AAAB
240 213 ABAB
240 213 ACAB
240 313 AAAB
240 313 ABAB
240 313 ACAB
240 613 AAAD
240 613 ABAD
240 613 ACAD
240 713 AAAD
240 713 ABAD
240 713 ACAD
240 633 AAAE
240 633 ABAE
240 633 ACAE
240 733 AAAE
240 733 ABAE
240 733 ACAE
Panel Mounted
New Big Look
Nonreset Type
Elapsed Time Meters
Input Range: All Type 240 models available
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
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 V
for one minute.
Register in Hours
240 211 AAAB
240 211 ABAB
240 211 ACAB
240 311 AAAB
240 311 ABAB
240 311 ACAB
240 611 AAAD
240 611 ABAC
240 611 ACAD
240 711 AAAD
240 711 ABAD
240 711 ACAD
240 631 AAAE
240 631 ABAE
240 631 ACAE
240 731 AAAE
240 731 ABAE
240 731 ACAE
Square Case
5
⁄
3 2
" high hours
Register in Minutes
240 214 AAAB
240 214 ABAB
240 214 ACAB
240 314 AAAB
240 314 ABAB
240 314 ACAB
240 614 AAAD
240 614 ABAD
240 614 ACAD
240 714 AAAD
240 714 ABAD
240 714 ACAD
240 634 AAAE
240 634 ABAE
240 634 ACAE
240 734 AAAE
240 734 ABAE
240 734 ACAE
RMS
Round Case
Burden: 3 VA typical.
Dimensions: See pages 40 & 41.
Motor: Synchronous.
Features:
• Back-of-panel model
• 2
• 2
• Conduit-case models
• Complete interchangeability physically and
• Optional 3 stud mounting is available on 3
electrically with most GE Types 235 and 236
models
New Big Look style 240 meters only.
1
1
⁄
⁄
2
2
" and 3
" and 3
Reset Type
1
1
⁄
⁄
2
2
" New Big Look models
" Round and Square models
Register in Hours
240 212 AAAB
240 212 ABAB
240 212 ACAB
240 312 AAAB
240 312 ABAB
240 312 ACAB
240 612 AAAD
240 612 ABAD
240 612 ACAD
240 712 AAAD
240 712 ABAD
240 712 ACAD
240 632 AAAE
240 632 ABAE
240 632 ACAE
240 732 AAAE
240 732 ABAE
240 732 ACAE
Conduit Case
1
⁄
2
"