US-628 Snapper、Snap Action
CMJ・UL・C-UL approved
① Thermostat Specifications | |||
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Electrical ratings | A type: 125 VAC, max. 10A, resistance load A type: 250 VAC, max. 5A, resistance load ‐‐ (min. 200mA) K type: 24 VDC, max. 1A, resistance load K type: 40 VDC, max. 0.5A, resistance load ‐‐ (MIN. DC5V 1mA) |
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Ⅰ.Temperature setting rangeⅡ.Temperature tolerance
Ⅲ.Differential |
Ⅰ.Temperature setting range ① 0 ~ 50℃ ② 51 ~ 100℃ ③ 101 ~ 130℃ |
Ⅱ.Temperature tolerance ① ±4℃/±5℃ ② ±4℃/±6℃ ③ ±5℃/±7℃ |
Ⅲ.Differential① 12K ② 15K ③ 20K |
Circuit resistance(initial value) | A・K type: 70 mΩ or less (except for lead wires) | ||
Insulation resistance | 100 MΩ or greater [through the 500 VDC megger] | ||
Withstand voltage | A type: 1,500 VAC/minute K type: 1,200 VAC/minute |
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Thermal resistance | 130℃ | ||
Cold resistance | -20℃ | ||
Opening-closing durability | 10,000 times or more [under rated load] |
※Please contact specification of the approved models are slightly different from those shown above.
② Model code | ||||||||||||||||||||
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1 | Contact material | A : Ag ・Ag alloy contact K : Au cross bar contact |
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2 | Contact model | X : “OFF” for temperature rise Y : “ON” for temperature rise |
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3 | Terminal model | S : Filling-only terminal | ||||||||||||||||||
4 | O-ring model | S : silicon rubber | ||||||||||||||||||
5 | Cover materials Holder model |
QO : Aluminum , no holder QE : Aluminum , surface type ( free holder ) (23.8mm) QE-FB : Aluminum , surface type ( fixed holder ) (23.8mm) QL : Aluminum , surface type ( free holder ) (24.5mm) QL-FB : Aluminum , surface type ( fixed holder ) (24.5mm) AS : Stainless steel , surface type(24mm) FO : Stainless steel , no holdersurface type |
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6 | Wire material | F : Fluoropolymer wire V : Heat-proof, lead-free PVC wire |
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7 | Special specification |
③ Sample of Model code
- US-628AXSSQO ・・・ Aluminum cover , no holder
- US-628AXSSQE ・・・ Aluminum cover , surface type ( free holder ) 23.8mm
- US-628AXSSQL ・・・ Aluminum cover , surface type ( free holder ) 24.5mm
- US-628AXSSAS ・・・ Stainless steel cover 、surface type 24mm
④ List of international safety standards
Model / Type | Agency | File No. | Operating temp. Ratings |
Number of cycles | Max. | Max. Amperes | ||||
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Category | cycles | Volts |
Resistiveload |
Inductiveload |
FLA | LRA | ||||
US-628A | UL C-UL |
E52529 | 150 | limiting | 30,000 | AC 125 | 10 | – | – | – |
AC 250 | 5 | – | – | – | ||||||
150 | DC 30 | 5 | – | – | – | |||||
DC 40 | 0.5 | – | – | – | ||||||
US-628K | 150 | limiting | 30,000 | DC 30 | 1 | – | – | – | ||
DC 40 | 0.5 | – | – | – |