Switch Safety

Safety Disconnect

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Busway, ITE 1000 amp, with 41 Fuse Safety Disconnects, 13, 10' Sections
Busway, ITE 1000 amp, with 41 Fuse Safety Disconnects, 13, 10' Sections
$9,000.00
Square D HU268AWK Non-Fusible Safety Disconnect Switch, 1200A, 600VAC / VDC, New
Square D HU268AWK Non-Fusible Safety Disconnect Switch, 1200A, 600VAC / VDC, New
$6,850.00
Square D H228AWK Non-Fusible Safety Disconnect Switch,1200A, 240VAC /250VDC, New
Square D H228AWK Non-Fusible Safety Disconnect Switch,1200A, 240VAC /250VDC, New
$6,150.00
Cutler Hammer Eaton 600V 400A Transfer Safety Toggle Disconnect Switch DT365URK
Cutler Hammer Eaton 600V 400A Transfer Safety Toggle Disconnect Switch DT365URK
$4,345.73
DH366FRK Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch
DH366FRK Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch
$4,211.18
Square D HU267 Non-Fusible Safety Disconnect Switch, 800A, 600VAC / VDC, New
Square D HU267 Non-Fusible Safety Disconnect Switch, 800A, 600VAC / VDC, New
$3,800.00
Square D 400A 600V Transfer Safety Disconnect Switch 82345R Double Throw 3R
Square D 400A 600V Transfer Safety Disconnect Switch 82345R Double Throw 3R
$3,777.86
Square D H368N 1200 Amp Safety Switch 600 VAC/VDC Heavy Duty Disconnect New
Square D H368N 1200 Amp Safety Switch 600 VAC/VDC Heavy Duty Disconnect New
$3,000.00
New Siemens HNF367 Indoor Safety Disconnect Switch 800A Non-Fusible 600V NEMA 1
New Siemens HNF367 Indoor Safety Disconnect Switch 800A Non-Fusible 600V NEMA 1
$2,995.00
DH365NRK Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch
DH365NRK Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch
$2,552.08
Square D HU365VW Heavy Duty Non-Fusible Safety Disconnect Switch, 400A,600V, New
Square D HU365VW Heavy Duty Non-Fusible Safety Disconnect Switch, 400A,600V, New
$2,500.00
400 amp Stainless disconnect, new GE heavy duty safety switch, NP1578002B
400 amp Stainless disconnect, new GE heavy duty safety switch, NP1578002B
$2,200.00
SQUARE D H365NDS 400 AMP STAINLESS Safety Switch DISCONNECT 1 year warranty
SQUARE D H365NDS 400 AMP STAINLESS Safety Switch DISCONNECT 1 year warranty
$2,199.99
USED SQUARE D 400AMP HEAVY DUTY SAFETY SWITCH H365NAWK DISCONNECT SWITCH
USED SQUARE D 400AMP HEAVY DUTY SAFETY SWITCH H365NAWK DISCONNECT SWITCH
$2,000.00
DH361UWKX Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch
DH361UWKX Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch
$1,985.65
UpTo 1 HNF364S 200 AMP 600 VOLT STAINLESS 4X DISCONNECT NONFUSED SAFETY SWITCH
UpTo 1 HNF364S 200 AMP 600 VOLT STAINLESS 4X DISCONNECT NONFUSED SAFETY SWITCH
$1,969.91
Square D Safety / Disconnect Switch, HU-664-RWK, 200A, 600V, 6P, 3R, Excellent
Square D Safety / Disconnect Switch, HU-664-RWK, 200A, 600V, 6P, 3R, Excellent
$1,890.00
UpTo 1 HNF366R 600 AMP 600 VOLT NEMA3R OUTDOOR DISCONNECT NONFUSED SAFETY SWITCH
UpTo 1 HNF366R 600 AMP 600 VOLT NEMA3R OUTDOOR DISCONNECT NONFUSED SAFETY SWITCH
$1,831.50
CROUSE-HINDS WSRDW6352 SAFETY DISCONNECT SWITCH *NEW NO BOX*
CROUSE-HINDS WSRDW6352 SAFETY DISCONNECT SWITCH *NEW NO BOX*
$1,800.00
DH365FGK Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch
DH365FGK Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch
$1,670.67
DH365URK Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch
DH365URK Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch
$1,649.11
Square D Transfer Double Throw Safety Disconnect Switch 82355R DT400N 92355 400A
Square D Transfer Double Throw Safety Disconnect Switch 82355R DT400N 92355 400A
$1,553.90
SQUARE D 200A STAINLESS STEEL SAFETY DISCONNECT SWITCH HU364DS **NEW IN BOX**
SQUARE D 200A STAINLESS STEEL SAFETY DISCONNECT SWITCH HU364DS **NEW IN BOX**
$1,513.00
NEW Square D HU364DF 200 AMP 600V NON FUSIBLE DISCONNECT NEMA 4X SAFETY SWITCH
NEW Square D HU364DF 200 AMP 600V NON FUSIBLE DISCONNECT NEMA 4X SAFETY SWITCH
$1,435.55
O Siemens 60 Amp Safety Switch HNF662J Type 3R 3S 12 13 Disconnect 600 VAC 6 P
O Siemens 60 Amp Safety Switch HNF662J Type 3R 3S 12 13 Disconnect 600 VAC 6 P
$1,424.00
Killark B7NFD21A Non Fused 100A 600V Disconnect Safety Switch HAZARDOUS  LOC.
Killark B7NFD21A Non Fused 100A 600V Disconnect Safety Switch HAZARDOUS LOC.
$1,395.50
CROUSE-HINDS WSRDW6352 SAFETY DISCONNECT SWITCH *USED*
CROUSE-HINDS WSRDW6352 SAFETY DISCONNECT SWITCH *USED*
$1,400.00
Killark B7NFD26A Non Fused 60A 600V Disconnect Safety Switch HAZARDOUS  LOCATION
Killark B7NFD26A Non Fused 60A 600V Disconnect Safety Switch HAZARDOUS LOCATION
$1,297.50
Square D REHU493IP Solar Safety Disconnect Switch Nonfusible 1000 VDC 100 Amps
Square D REHU493IP Solar Safety Disconnect Switch Nonfusible 1000 VDC 100 Amps
$1,200.00
DH365UGK Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch
DH365UGK Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch
$1,255.34
SQUARE D H326NR DISCONNECT SAFETY SWITCH 400A 240V 3 POLE ***XLNT***
SQUARE D H326NR DISCONNECT SAFETY SWITCH 400A 240V 3 POLE ***XLNT***
$1,250.00
CROUSE-HINDS WSRDW3352 SAFETY DISCONNECT SWITCH *NEW NO BOX*
CROUSE-HINDS WSRDW3352 SAFETY DISCONNECT SWITCH *NEW NO BOX*
$1,200.00
Killark B7NFD13A Non Fused 30A 600V Disconnect Safety Switch HAZARDOUS  LOCATION
Killark B7NFD13A Non Fused 30A 600V Disconnect Safety Switch HAZARDOUS LOCATION
$1,198.00
Square D Safety Switch H365N 400 Amp 600 Volt Fusible Disconnect
Square D Safety Switch H365N 400 Amp 600 Volt Fusible Disconnect
$1,045.00
UpTo 1 HNF363S 100 AMP 600 VOLT STAINLESS 4X DISCONNECT NONFUSED SAFETY SWITCH
UpTo 1 HNF363S 100 AMP 600 VOLT STAINLESS 4X DISCONNECT NONFUSED SAFETY SWITCH
$1,168.64
GE Disconnect Safety Switch TH3225R 400 Amp Model 11 240V 3R General Electric
GE Disconnect Safety Switch TH3225R 400 Amp Model 11 240V 3R General Electric
$975.00
TG3225 GE 400 Amp 2 Pole 240 Volt Safety Disconnect
TG3225 GE 400 Amp 2 Pole 240 Volt Safety Disconnect
$1,143.99
DH363UDKW Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch
DH363UDKW Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch
$1,114.79
Square D 400 amp Fused Disconnect H365N single throw fusible safety switch
Square D 400 amp Fused Disconnect H365N single throw fusible safety switch
$1,099.00
Square D A86346 C3 600 Amp 600V Fusible Heavy Duty Safety Switch Disconnect 600A
Square D A86346 C3 600 Amp 600V Fusible Heavy Duty Safety Switch Disconnect 600A
$900.00
MURRAY HH324SS 200 AMP 240V FUSIBLE STAINLESS STEEL DISCONNECT SAFETY SWITCH
MURRAY HH324SS 200 AMP 240V FUSIBLE STAINLESS STEEL DISCONNECT SAFETY SWITCH
$1,000.00
LOT OF 20 SQUARE D HU361 30 AMP 3 POLE HEAVY DUTY SAFETY DISCONNECTS SWITCH
LOT OF 20 SQUARE D HU361 30 AMP 3 POLE HEAVY DUTY SAFETY DISCONNECTS SWITCH
$799.99
Eaton Cutler-Hammer DH366FGK 600A Safety Switch Electric Disconnect #3888SR
Eaton Cutler-Hammer DH366FGK 600A Safety Switch Electric Disconnect #3888SR
$1,000.00
CROUSE-HINDS WSRDW3352 SAFETY DISCONNECT SWITCH *USED*
CROUSE-HINDS WSRDW3352 SAFETY DISCONNECT SWITCH *USED*
$1,000.00
SQ D Square D H366 Fusible Safety Disconnect Switch 600amp 600volt 3Pole
SQ D Square D H366 Fusible Safety Disconnect Switch 600amp 600volt 3Pole
$1,000.00
CROUSE-HINDS WSRDW63542 SAFETY DISCONNECT SWITCH *USED*
CROUSE-HINDS WSRDW63542 SAFETY DISCONNECT SWITCH *USED*
$1,000.00
CROUSE-HINDS WSRDW33542 SAFETY DISCONNECT SWITCH *USED*
CROUSE-HINDS WSRDW33542 SAFETY DISCONNECT SWITCH *USED*
$1,000.00
SQUARE D H362AWC SAFETY DISCONNECT SWITCH * NEW NO BOX *
SQUARE D H362AWC SAFETY DISCONNECT SWITCH * NEW NO BOX *
$999.00
SQUARE D   H222N  2-POLE  60 AMP FUSIBLE SAFETY SWITCH DISCONNECT 240 VAC
SQUARE D H222N 2-POLE 60 AMP FUSIBLE SAFETY SWITCH DISCONNECT 240 VAC
$49.99
Eaton N4-4-1400-S1-DC Photovoltaic Safety  Switch​ Disconnect  ~NEW IN BOX
Eaton N4-4-1400-S1-DC Photovoltaic Safety Switch​ Disconnect ~NEW IN BOX
$899.00



Safety+Disconnect





Dielectric Voltage Stand up to Check of Electrical Products

Dielectric voltage withstand check is demanded in nearly every security standard of
electrical safety tester
products, for dielectric voltage stand up to check is really a vital component of security standard of electrical items. Dielectric voltage stand up to test will be the so-called higher voltage check which happens to be a test to determine whether or not the insulating materials and spatial distances adhere to the standard by giving a voltage which happens to be higher compared to the rated voltage to the equipments for certain time.

Check Method

one. Check if the main power change in the hipot tester is “OFF”.

2. Except for the special design in the equipment, all the other conductive metal parts really should be well grounded.

3. Connect all the wires or terminals at the energy input end in the measured equipment.

4. Close all the energy switches and relays, etc.

5. Set the tested voltage of the hipot tester to zero.

6. Connect the higher voltage transmission line (generally red) to the energy input end in the measured equipment.

7. Connect the loop grounding line (generally black) towards the accessible conductive metal part in the measured equipment.

8. Close the main energy change of the hipot tester and raise the secondary voltage of the hipot tester to the desired value slowly. Usually, the raise speed of voltage must be kept below 500V/sec.

9. Maintain this testing voltage within the time specified.

10. Lower the testing voltage slowly.

11. Disconnect the main energy switch of the hipot tester. First disconnect the high voltage transmission line and then the loop grounding line.

The following cases show that the measured equipment fails the check:

The testing voltage cannot be raised towards the desired voltage value or it lowers instead.

There may be warning signal on the hipot tester.

It needs to be noticed that we ought to be extremely careful because there may be higher voltage which happens to be danger for human body existing in the dielectric voltage stand up to test.

Cases that can make the equipment free from factory dielectric voltage stand up to check.

The energy input of the items will be the ELV or SELV in the secondary output of other items, such as power supply and transformer.

The merchandise will use alternative power supply as component, and this energy supply is identified by CSA, of complete case and input and output connector. For it's identified by CSA, this energy supply has passed the dielectric voltage withstand check. Therefore, we can consider relieving it from dielectric voltage withstand check. Nonetheless, we have to check whether the energy supply is damaged before it is installed.

When the signal transformer is applied within the circuit of same voltage, and it's not the safety device, we can consider relieving the component from the start towards the iron core from dielectric voltage withstand test.

Matters that must be paid specially attention to:

It must be specified that only trained and authorized personnel can come into the check zone and operate the equipment.

Fixed eye-catching warning signals ought to be set around the test zone to keep other people from the danger area.

During the check, all the personnel, including the operators, must keep distance with the
hipot tester
and measured equipment.

When the tester is started, the output line should not be touched by anyone.



Safety Disconnect Search Terms:

Busway, ITE 1000 amp, with 41 Fuse Safety Disconnects, 13, 10' Sections,Square D HU268AWK Non-Fusible Safety Disconnect Switch, 1200A, 600VAC / VDC, New,Square D H228AWK Non-Fusible Safety Disconnect Switch,1200A, 240VAC /250VDC, New,DH364UWK Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch,Cutler Hammer Eaton 600V 400A Transfer Safety Toggle Disconnect Switch DT365URK,DH366FRK Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch,Eaton Cutler Hammer DH366UWK 600 Amp 600 VAC 250 VDC Safety Switch Disconnect ,Square D HU267 Non-Fusible Safety Disconnect Switch, 800A, 600VAC / VDC, New,Square D 400A 600V Transfer Safety Disconnect Switch 82345R Double Throw 3R,DH363UWK Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch,Square D H368N 1200 Amp Safety Switch 600 VAC/VDC Heavy Duty Disconnect New ,New Siemens HNF367 Indoor Safety Disconnect Switch 800A Non-Fusible 600V NEMA 1,Eaton Cutler Hammer DH366UWK 600 Amp 600 VAC 250 VDC Safety Switch Disconnect ,DH365NRK Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch,Square D HU365VW Heavy Duty Non-Fusible Safety Disconnect Switch, 400A,600V, New,400 amp Stainless disconnect, new GE heavy duty safety switch, NP1578002B,SQUARE D H365NDS 400 AMP STAINLESS Safety Switch DISCONNECT 1 year warranty,DH365FRK Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch,USED SQUARE D 400AMP HEAVY DUTY SAFETY SWITCH H365NAWK DISCONNECT SWITCH,DH362UWKX Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch,DH361UWKX Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch,UpTo 1 HNF364S 200 AMP 600 VOLT STAINLESS 4X DISCONNECT NONFUSED SAFETY SWITCH,Square D HU465 400 Amp 600V 4-Pole Non-Fusible Safety Switch Disconnect 400A,DH361FWK Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch,Square D Safety / Disconnect Switch, HU-664-RWK, 200A, 600V, 6P, 3R, Excellent,UpTo 1 HNF366R 600 AMP 600 VOLT NEMA3R OUTDOOR DISCONNECT NONFUSED SAFETY SWITCH,CROUSE-HINDS WSRDW6352 SAFETY DISCONNECT SWITCH *NEW NO BOX*,DH362UWK Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch,H361DX 600V 30A 3Phase NEMA 4X Fusible Safety Disconnect Switch,DH365FGK Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch,DH365URK Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch,Square D Transfer Double Throw Safety Disconnect Switch 82355R DT400N 92355 400A,SQUARE D 200A STAINLESS STEEL SAFETY DISCONNECT SWITCH HU364DS **NEW IN BOX**,NEW Square D HU364DF 200 AMP 600V NON FUSIBLE DISCONNECT NEMA 4X SAFETY SWITCH,O Siemens 60 Amp Safety Switch HNF662J Type 3R 3S 12 13 Disconnect 600 VAC 6 P,Killark B7NFD21A Non Fused 100A 600V Disconnect Safety Switch HAZARDOUS LOC.,CROUSE-HINDS WSRDW6352 SAFETY DISCONNECT SWITCH *USED*,Killark B7NFD26A Non Fused 60A 600V Disconnect Safety Switch HAZARDOUS LOCATION,Square D REHU493IP Solar Safety Disconnect Switch Nonfusible 1000 VDC 100 Amps,DH365UGK Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch,SQUARE D H326NR DISCONNECT SAFETY SWITCH 400A 240V 3 POLE ***XLNT***,NEW STI 82353-1206 SAFETY MAT CONTROLLER W/QUICK DISCONNECTS,SMC-2-120-6-BH9 CH,CROUSE-HINDS WSRDW3352 SAFETY DISCONNECT SWITCH *NEW NO BOX*,Killark B7NFD13A Non Fused 30A 600V Disconnect Safety Switch HAZARDOUS LOCATION,Square D Safety Switch H365N 400 Amp 600 Volt Fusible Disconnect ,UpTo 1 HNF363S 100 AMP 600 VOLT STAINLESS 4X DISCONNECT NONFUSED SAFETY SWITCH,GE Disconnect Safety Switch TH3225R 400 Amp Model 11 240V 3R General Electric,TG3225 GE 400 Amp 2 Pole 240 Volt Safety Disconnect,DH363UDKW Single Throw, Heavy Duty Safety Single-Throw Disconnect Switch,Square D 400 amp Fused Disconnect H365N single throw fusible safety switch ,