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參數(shù)資料
| 型號： | 242.2 |
| 英文描述： | Dual, Temperature-Controlled Resistors with Internally Calibrated Monitors and Password Protection |
| 中文描述： | 保險絲 |
| 文件頁數(shù)： | 1/1頁 |
| 文件大?。?/td> | 72K |
| 代理商： | 242.2 |
84
HAZARDOUS AREA FUSES
Barrier Network Fuse
242 Series
Safe-T-Plus Fuse
259 Series
(.512")
13
mm
(.394")
10
mm
(.025")
.635
mm
(.020")
.5
mm
(.315")
8
mm
(.197")
5
mm
Meets Barrier Network Standards for
hazardous applications.
High interrupting rating.
Available in both axial lead and surface mount.
ELECTRICAL CHARACTERISTICS:
% of Ampere Rating
110%
300%
1000%
Opening Time
4 hours,
Min
imum
10 seconds,
Max
imum
0.002 seconds,
Max
imum
INTERRUPTING RATINGS:
4000 amperes at 250VAC/VDC
PACKAGING:
For surface mount version add packaging
suffix UR. For Axial Leaded version add packaging suffix UA.
For Axial Leaded version, taped add packaging suffix UAT1.
ORDERING INFORMATION:
Nominal
Resistance
Cold Ohms
11.34
8.19
3.60
3.00
2.68
1.6
Nominal
Melting I
2
t
A
2
Sec.
0.000103
0.000214
0.000977
0.00157
0.0038
0.00579
Catalog
Number
0242
.050
0242
.080
0242
.100
0242
.160
0242
.200
0242
.250
Ampere
Rating
.050
.080
.
100
.
160
.
200
.
250
Color
Coding
Red
Green
Blue
Violet
Brown
Black
Designed to allow equipment to meet “Intrinsically Safe”
certification for applications in gas plants, petrochemical
and processing industries where there is a danger of gas
explosion from faulty circuits.
Hermetically sealed.
ELECTRICAL CHARACTERISTICS:
% of Ampere Rating
100%
200%
Opening Time
4 hours,
Min
imum
5 seconds,
Max
imum
AGENCY APPROVALS:
Meets CENELEC EN50,
014 to 39 and BASEEFA BS 5501, part 7.
INTERRUPTING RATINGS:
50 amperes at 125 VAC
300 amperes at 125 VDC
ORDERING INFORMATION:
3.02
mm
(.119")
8.40
(.331")
4.60
mm
(.181")
1.90
mm
(.075")
3.02
(.119")
8.40
(.331")
4.60
mm
(.181")
1.90
mm
(.075")
.635
(.025")
Nominal
Resistance
Cold Ohms
8.1
2.4
0.87
0.46
0.32
0.19
0.14
Nominal
Melting I
2
t
A
2
Sec.
0.00016
0.0012
0.0095
0.025
0.07
0.062
0.01
Catalog
Number
0259
.062
0259
.125
0259
.250
0259
.375
0259
.500
0259
.750
0259
001.
Schedule of limitations.
1) The fuse must be so mounted that creepage and clearance distances meet the
requirements of Table 2 of EN50020 :1977 or Table 4 of EN50020 :1994 (equivalent to
IEC 60079-11 4th Edition 1999).
2) When used in intrinsically safe apparatus it will be necessary to determine a surface
temperature classification for the fuse.
Ampere
Rating
.062
.125
.
250
.
375
.
500
.
750
1
Voltage
Drop
2.1
1.3
0.83
0.81
0.78
0.23
0.24
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