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Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
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Class 337 | ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES |
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1 | WITH DIVERSE ART-TYPE DEVICE |
2 | WITH SEPARATE DISTINCT DIVERSE ART-TYPE SWITCHING DEVICE (E.G., FLUID- OR MECHANICAL-ACTUATED) |
3 | Bimetallic device with other |
4 | Fusible element device with other |
12 | WITH DIVERSE ART-TYPE ACTUATOR FOR SINGLE SWITCH |
14 | ELECTROTHERMALLY ACTUATED SWITCHES |
15 | Shunt or short circuit completion devices |
16 | Bimetallic means |
17 | Fusible material combined with gap |
19 | Gap with thin film dielectric (e.g., voltage-responsive) |
20 | With significant housing or casing structure |
21 | Conductive fluid devices |
22 | Fluorescent lamp-starting devices |
23 | With significant heating means |
25 | Electric discharge means (e.g., electron-emissive) |
26 | With significant contact structure or composition |
28 | Space discharge device (gaps, lightning arrester, etc.) |
29 | Plural |
30 | With explosive or combustible material |
31 | With fusible element (e.g., cutout means) |
32 | With grounding means |
33 | With common structural elements (e.g., fuse provides support or element of spark gap structure) |
34 | Housing, casing, mounting or support means |
35 | Plural diverse similar art-type devices in single switch |
36 | With bimetallic elements (i.e., motion takes place in a plane at right angles to its major axis) |
37 | With manual or other mechanical contact controlling means |
38 | Plural elements combined with single mechanical means |
39 | Independently operative bimetallic elements |
40 | Individually responsive to diverse conditions or diverse characteristics |
41 | Multiple contact or plural circuit control means |
42 | Plural switches |
44 | Selectively or alternately actuated |
45 | Single multipole or polyphase control device |
51 | Cyclically or periodically actuated |
52 | With spring or other energy storage device |
53 | Snap-action |
54 | With magnetic flux source (e.g., magnetic armature) |
55 | With latching or holding means |
56 | With reclosing or reset means |
57 | With adjusting or calibration means |
58 | Compound motion means |
61 | Rotary or oscillatory motion device (e.g., spring motor) |
62 | Reciprocating or slidable motion device |
67 | With contact pressure maintaining or adjusting means |
68 | With direct contact separating means (e.g., plunger camming means) |
69 | Independently operative (nontrip-free) |
70 | Latch or latch-release means |
71 | Plural or responsive to diverse effects |
72 | With reclosing or reset means |
74 | Trip-free |
75 | Bimetallic element unitary with or comprising latch means |
76 | Performs dual functions (e.g., main contact) |
77 | With external or auxiliary heater |
78 | Utilizing plural bimetallic elements |
79 | With signal or indicating means |
80 | With mercury or other conductive liquid circuit completion means |
81 | Retarded or delayed action type |
82 | With operating range calibration or adjustment means |
85 | Bimetallic element unitary with or directly actuates movable contact means |
86 | Plural contacts or external circuit connection means |
88 | Retarded or delayed type |
89 | Snap-action |
92 | Cyclic or repetitively operative (e.g., flashing) |
94 | With operating range, calibration or adjusting means |
95 | With plural or combined elements |
97 | With switch structure protective means |
98 | With contact operation inhibiting means (e.g., meltable or magnetic) |
99 | With voltage or ambient temperature compensation means |
102 | With external or auxiliary heating means |
103 | With heater-adjusting, shunting or short-circuiting means |
104 | Plural heating means |
105 | With electrical power supply or current control means |
107 | Significant heating element structure or composition |
109 | Contact composition or structure |
110 | With arc-suppression or blowout means |
111 | Bimetallic structure or composition of material |
112 | Housing, casing or support means |
114 | Expansible or vaporizable fluid-actuated (e.g., mercury vapor) |
115 | With manual or other mechanical contact actuating means |
116 | Cyclically or periodically operative |
117 | Utilizing diaphragm or bellows means |
118 | With restoring or resetting means |
119 | Utilizing capillary tube or bore means |
120 | With external heating means (external from fluid; may be the container) |
121 | With housing or casing |
122 | With contact or electrode structure or material (e.g., carbon) |
123 | With longitudinally expansible solid element (e.g., rod, wire strip, etc.) |
124 | With voltage or ambient temperature compensation means |
125 | With electrical shunting or short-circuiting means |
126 | With manual or other mechanical contact actuating means |
127 | With delayed action or timing means |
128 | Latching or tripping means |
131 | Snap-action (e.g., bistable) |
137 | Contact structure or composition |
138 | Cyclically or periodically operated (e.g., flasher) |
139 | With significant expansible element structure or composition of material |
141 | With external or auxiliary heating means |
142 | Fusible element actuated |
143 | With manual or other mechanical contact control means |
144 | Plural fuses combined with single mechanical means |
145 | Multiple contact or plural circuit control means |
147 | Snap-action mechanical device |
148 | Reciprocal or rectilinear sliding motion actuating means (e.g., spring loaded plunger or striker pin) |
149 | Rotary or oscillatory motion device |
150 | Latching trip or holding means (actuated by condition by fuse element) |
151 | Ratchet and pawl |
152 | Thin film or resoldering (e.g., eutetic alloy) |
153 | With external or auxiliary heating means |
154 | Tripping or release means |
155 | With reclosing or reset means |
156 | Manually operated shunting, disconnect or load-break device |
158 | Current limiting devices (e.g., high voltage fuses) |
163 | Delayed action (i.e., time lag) |
164 | Utilizing plural fusible elements |
165 | With biased direct circuit opening means |
166 | With heat absorption, conducting or storage means |
167 | Convertible (e.g., fused to nonfused) |
168 | Cutout or disconnect type (an assembly) of a fuse support and fuse holder with or without a fuse link) |
169 | With kickout means |
171 | With dropout features (i.e., the fuse tube will be separated, or drop away from, at least on the main circuit contacts) |
172 | Utilizing combined mechanical motions (e.g., sliding with pivotal) |
173 | Utilizing sliding or reciprocating motions |
174 | With holding, latch or trip means |
180 | Line terminal or contact structure |
182 | With external or auxiliary heating means |
186 | Housing, casing or support means |
187 | With external circuit connection means |
188 | Plural conductor connector means |
190 | With fuse element tensioning or clamping means |
191 | Cable or busbar attachment means |
194 | With relatively movable cooperative elements (e.g., pull out) |
197 | Plural diverse (e.g., male and female connectors) |
198 | Prong or blade (e.g., plug-type housing) |
199 | With electrical ground, shield or barrier |
200 | Ceiling block fixture type (e.g., Rosette) |
201 | With plural interfitting or interlocking sections |
202 | Bushing or insulator |
203 | With gaseous venting or expulsion means (from the housing) |
204 | With oil or other liquid |
205 | With locking, sealing or guard means |
206 | With operational condition indicating means |
207 | With external support or attaching means (e.g., hook) |
208 | With fuse carrier attachment means |
217 | Fuse link extraction or expulsion means |
221 | With electrical shunt circuit means (may also be fusible) |
222 | With switch protective means (for fuse structure) |
225 | With overfusing or tamper prevention means |
227 | Fuse link carrier or holder |
228 | Cartridge or tube |
229 | With plural fuse links or elements |
231 | With fuse link attaching support or securing means |
232 | Soldered or brazed joint |
233 | Rigid bar means |
234 | Locking or clamping means |
235 | Threaded screw or stud |
236 | Wedging or camming means |
237 | Replaceable or readily interchangeable |
238 | With fuse link tensioning means |
241 | With indicating or inspection means |
245 | With handle or other manipulating means |
246 | Cartridge or tube structure or material of construction |
248 | Ferrule, cap or other seal means |
249 | With gas expulsion means |
251 | Contact or terminal structure |
255 | Plug |
256 | Plural fusible elements in a single carrier |
260 | With fuse element attachment or securing means |
261 | Resilient biasing or retaining means |
262 | Particularly adapted for specific fuse element |
264 | Readily replaceable or detachable element |
265 | With indicating means |
268 | Contact or terminal structure |
270 | Structure or composition of material |
273 | With arc suppression or extinguishing means |
274 | Plural (e.g., auxiliary fuse) |
276 | Dielectric filler material or compound (e.g., quartz) |
279 | Deionizing gas or vapor generating material |
280 | Cooling, condensing or absorbing means |
281 | Blowout means (e.g., gaseous) |
282 | Arcing chamber or passage structure |
283 | Plural independent fuses |
290 | Fusible link or element structure or material |
291 | With strain-relief means |
292 | Plural series-connected conductive elements forming a single link |
293 | Plural parallel fusible elements |
294 | Continuous strand adapted for successive insertion in protected circuit |
295 | With particular geometrical shape or configuration |
296 | Composite (e.g., with overlay) |
297 | With nonconductive core (e.g., printed circuit) |
298 | THERMALLY ACTUATED SWITCHES |
299 | Plural diverse actuating means in single switch |
300 | Responsive to plural external conditions (e.g., temperature and humidity) |
301 | With mechanical timing means (e.g., clockwork) |
306 | Expansible or vaporizable fluid actuated |
307 | Plural expansible elements with single switch |
309 | Multiple contacts or external circuit completion means |
312 | With manual or other mechanical contact control means |
313 | Combined or compound motion device |
314 | Reciprocating or sliding motion |
316 | Rotary or oscillatory motion device |
317 | With spring or other energy storage means |
320 | With diaphragm or bellows structure |
322 | With Bourdon tube |
323 | With operating range calibration or adjustment means |
324 | With auxiliary heater |
325 | With latching, locking or holding means |
326 | Fluid or fluid pressure generating means |
327 | Housing, casing or support means |
329 | Contact structure or composition of material |
332 | With signaling, alarm or visual indicator means |
333 | With bimetallic element |
334 | With manual or other mechanical contact control means |
335 | Plural elements combined with single mechanical means |
337 | Multiple contact or plural circuit control means |
341 | With time-delay means |
342 | With spring or other energy storage means |
349 | With contact biasing, pressure control or adjusting means |
350 | Compound motion means |
351 | Rotary or oscillatory motion means |
354 | Reciprocating or slidable motion means |
355 | Independently operative |
356 | Latch or latch-release means |
360 | With operating range calibration or adjustment means |
362 | Bimetallic element unitary with or directly actuates contacts |
363 | Multiple contacts or external circuit control means |
365 | Snap-action |
369 | Cyclically or repetitively operative |
370 | With plural bimetallic elements |
372 | Element attachment or mounting means |
373 | Contact structure or composition of material (e.g., mercury) |
376 | With signal or indicating means |
377 | With auxiliary heating means |
378 | With compensation means (e.g., ambient temperature) |
379 | Bimetallic element structure or composition of material |
380 | Housing, casing or support structure |
382 | With longitudinally expansible solid element |
383 | With plural contacts or external circuit completion means |
384 | With manual or other mechanical contact control means |
385 | Latching or tripping means |
386 | Comprising mechanical advantage or force multiplying means |
387 | Comprising frictional clutch or lost motion means |
388 | With spring or other energy storage means |
392 | With operating range calibration or adjusting means |
393 | Expansible solid structure or composition of material |
397 | Plural deformable elements in single switch |
398 | Housing, casing or support means |
399 | Contact or terminal structural or composition of material |
401 | With fusible, combustible or explosive material |
402 | With manual, gravity-actuated or other mechanical contact control means |
403 | Automatic cutout or disconnect type |
404 | With fusible element directly connecting contacts |
405 | With fusible element opening the circuit (no mechanical contacts) |
406 | Multiple contacts or plural circuit control means |
407 | Utilizing spring or other energy |
411 | Latch, trip or holding means |
412 | Plural independent fuse elements with single circuit completion means |
413 | Contact structure or composition of material |
414 | Housing, casing or support means |
416 | Fusible, link or element structure or composition of material |
417 | DETAILS |
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