255-250-DNDN-UL YOKOGAWA, 255-250-DNDN-UL Datasheet - Page 46

• 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

40
Fig. 21. Type 240 Back-of-panel model
Fig. 23. 2
SIZE
2
3
1
1
⁄
⁄
2
2
DIM
2.68
3.51
A
1
⁄
2
-3
.48
.48
B
1
⁄
2
-inch Type 240 round case
.72 .14 .21
.72 .14 .22
C D E
.38
.38
F
.38
.38
G
2.215 3.33
2.215 3.32
H
I
.68
.68
J
30°
30°
K
2.22
2.22
L
Fig. 22. Type 240 square case
Fig. 24. Type 240 conduit-mounted case
SIZE
2
3
1
1
⁄
⁄
2
2
DIM
1.12
.94
A
.68 .72 2.38 .48
.68 .72 3.0
B C
D
.48
E
.14
.14
F
.25
.25
G
.38 2.215 3.286 .76
.38 2.215 3.286 .76
H
I
J
K
2.22
2.22
L
1.125
M
.94