US-621 Snapper、Snap Action
CMJ、UL・C-UL・VDE(EN(60730A)approved
① Thermostat Specifications | |||
---|---|---|---|
Electrical ratings | 125 VAC, max. 15A, resistance load 250 VAC, max. 10A, resistance load ‐‐ (min. 200mA) |
||
Ⅰ.Temperature setting rangeⅡ.Temperature tolerance
Ⅲ.Differential S.O.D Specifications |
Ⅰ.Temperature setting range ① 0 ~ 50℃ ② 51 ~ 100℃ ③ 101 ~ 150℃ ④ 151 ~ 190℃ ⑤ 191 ~ 200℃S.O.D setting range Max. 220℃ |
Ⅱ.Temperature tolerance ① ±4℃/±5℃ ② ±4℃/±6℃ ③ ±5℃/±7℃ ④ ±6℃/±8℃ ⑤ ±7℃/±10℃ |
Ⅲ.Differential① 12K ② 15K ③ 20K ④ 25K ⑤ 30K S.O.D type |
Circuit resistance(initial value) | 50 mΩ or less | ||
Insulation resistance | 100 MΩ or greater [through the 500 VDC megger] | ||
Withstand voltage | 1,500 VAC/minute | ||
Thermal resistance | 200℃ | ||
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 | ||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||
1 | Contact material | A : Ag ・Ag alloy contact | ||||||||||||||||||||
2 | Contact model | X : “OFF” for temperature rise Y : “ON” for temperature rise |
||||||||||||||||||||
3 | Terminal angle | R : Horizontal terminal T : Vertical terminal |
||||||||||||||||||||
4 | Terminal model | G : Terminal for positive lock conector 250 series ‐‐ (size:6.35×0.8 material:steel 、Ni-plated) H : Terminal for positive lock conector 187 series ‐‐ ※Combination of horizontal terminal (R) ‐‐ (size:4.75×0.5 material:steel 、Ni-plated) E : conectorIEC730-1 quasi-terminal ‐‐ (size:4.8×0.8 material:steel 、Ni-plated) I : For fixing with screw (steel , Ni-plated, t0.8) ‐‐ ※Combination of horizontal terminal (R) |
||||||||||||||||||||
5 | Cover materials Holder model |
QO : Aluminum , no holder QE : Aluminum , surface type ( free holder ) (23.8mm) QL : Aluminum , surface type ( free holder ) (24.5mm) KO : Aluminum , embedded type ( depth 5.0mm 、24.5mm) GO : Aluminum , embedded type ( depth 5.4mm 、24.5mm) MO : Stainless steel , surface type (with hole type) I O : Stainless steel , embedded type ( depth 4.6mm 、24.5mm) JO : Stainless steel , embedded type ( depth 5.2mm 、24.5mm) QD : Aluminum , surface type ( free holder ) (30mm) QM : Aluminum , surface type ( for mounting an M3 tapping screw ) 23.8mm) FO : Stainless steel , no holdersurface type DO : Aluminum , no holder ( with hole ) NO : Aluminum , no holder ( with frange ) CO : Stainless steel , embedded type ( depth 5.2mm、24.5mm) (with hole type) SO : Brass , screw-mount type ‐‐ [M3,M4,M5,6-32UNC,8-32UNC,10-32UNC] |
||||||||||||||||||||
6 | S.O.D model S.O.D model |
LC : One shot type Single operating device (S.O.D type) |
||||||||||||||||||||
7 | Free Holer Fixed model |
(QE) FB : Aluminum , surface type (23.8mm) (QL) FB : Aluminum , surface type (24.5mm) |
③ Sample of Model code
- US-621AXRMQO ・・・ Horizontal F187 Terminal、Aluminum , no holder
- US-621AXTMQE ・・・ Vertical F187 Terminal、Aluminum 、surface type ( free holder ) 23.8mm
- US-621AXTMQE-LC ・・ Vertical F187 Terminal、Aluminum 、surface type ( free holder ) 23.8mm 、S.O.D type
- US-621AXTMQE-LC-FB ・ Vertical F187 Terminal、Aluminum 、surface type ( fixed holder ) 23.8mm 、S.O.D type
- US-621AXRLQL ・・・ Horizontal F250 Terminal、Aluminum 、surface type ( free holder ) 24.5mm
- US-621AXTMQL-LC ・・ Vertical F250 Terminal、Aluminum 、surface type ( free holder ) 24.5mm 、S.O.D type
- US-621AXTMQL-LC-FB ・ Vertical F250 Terminal、Aluminum 、surface type ( fixed holder ) 24.5mm 、S.O.D type
- US-621AXTLKO ・・・ Vertical F250 Terminal、Aluminum 、embedded type depth 5mm, 24.5mm
- US-621AXRVAS ・・・ Horizontal IEC Terminal、Stainless steel 、surface type 24mm
④ List of international safety standards
Model / Type | Agency | File No. | Operating temp. Ratings |
Number of cycles | Max. | Max. Amperes | ||||
---|---|---|---|---|---|---|---|---|---|---|
Category | cycles | Volts |
Resistiveload |
Inductiveload |
FLA | LRA | ||||
US-621-LC-QR | UL C-UL |
E52529 | 220 | S.O.D. | 1 | AC 125 | 15 | – | – | – |
AC 250 | 10 | – | – | – | ||||||
US-621-V | UL C-UL |
AC 125 | 15 | – | – | – | ||||
AC 250 | 10 | – | – | – | ||||||
US-621-LC-QR | VDE | 40010379 | 200 | S.O.D. | 1 | AC 250 | 10 | – | – | – |
US-621V | AC 250 | 10 | – | – | – |