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Monday, 06 February 2012
TCO Catalog >> NEC/Schott SEFUSE organic pellet and Uchihashi ELCUT eutectic thermal cutoffs
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* These items are available in limited quantities and cannot be reordered.
 
Ratings
Buy Part
Number 		Rated
Functioning
Temperature
Tf (°C) 		Cut-off
Temperature
(°C)
(Functioning Temperature)		 Th
Tc
(°C)		 Tm
(°C)		 Electrical Rating Approvals
Ampere
(A)		 Voltage
(VAC)		 UL
 CSA
 VDE
 CCC
 PSE
320*
76
73 ± 2.5
50
200
1
2
250
125
321
102
98 ± 2
76
200
1
2
250
125
322
115
112 ± 3
89
200
1
2
250
125
323
130
126 ± 2
102
200
1
2
250
125
328*
139
135 ± 3
113
200
1
2
250
125
 
UL,C-UL:E50082, CSA: LR40743, VDE: 923000-1171-0003
 
* These items are available in limited quantities and cannot be reordered.

Cut-off temperature is measured with silicone oil bath of which temperature is increased at the rate of 1° per minute. Detecting current is 0.1A or less.
Th and Tc are for C-UL(CSA) and CCC respectively.
 
Dimensions
Features
Dimensions (mm)
Lead length A B C D E
Regular 6 ± 0.5
39 ± 3
69 ± 3
 2 ± 0.1 2.3 or below 0.53 ± 0.02
 
Technical Terms
  • Rated Functioning Temperature (Tf)
    The acceptable tolerance is +0,-10°C

  • Holding Temperature (C-UL&CSA:Th, CCC:Tc)
    The maximum temperature at which the thermal cutoffs may be maintained.

  • Maximum Temperature Limit (Tm)
    The maximum temperature at which an opened thermal cutoff does not reclose.

Notice: Please read Standard Specification and Instruction Manual for details of use.
 


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