UL 489 Listed Circuit Breakers
The best choice for overcurrent protection in North American countries.
These breakers comply with the American UL standard and the Canadian CSA standard, and are listed by UL. They are suitable for use with feeders and for branch circuit protection.
UL 489 Listed Molded Case Circuit Breakers NF-U
This kind of breaker complies to UL 489 and CSA C22.1No.5.
Product Specification:
|
Type |
NF125-UV |
NF250-UV |
NF400-UEW |
NF800-UEW |
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|---|---|---|---|---|---|---|---|---|---|
|
Rated data |
Rated current I n [A] at ambient temperature |
40 °C |
15, 20, 30, 40, 50, 60, 75, 100, 125 Fixed |
125, 150, 175, 200, 225, 250 Fixed |
200–400Adjustable |
500–1000Adjustable |
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|
Number of poles |
3/4 |
3/4 |
3/4 |
3/4 |
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|
Rated insulation voltage U i [V] |
AC |
690 |
690 |
690 |
690 |
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|
Rated breaking capacity [kA] ( I cu / I cs ) |
IEC/EN 60947-2 |
AC (50/60 Hz) |
690 V |
10/10 |
15/15 |
35/35 |
25/13 |
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|
500 V |
200/200 |
200/200 |
170/170 |
65/33 |
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|
440 V |
200/200 |
200/200 |
200/200 |
85/43 |
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|
400 V |
200/200 |
200/200 |
200/200 |
85/43 |
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|
230 V |
200/200 |
200/200 |
200/200 |
125/63 |
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|
DC |
250 V |
— |
— |
B |
B |
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|
Utilization category |
A |
A |
5/0.25 |
20/0.3 |
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|
Rated impulse withstand voltage U imp [kV] |
8 |
8 |
8 |
8 |
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|
Pollution degree |
3 |
3 |
3 |
3 |
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|
Reverse connection |
O |
O |
O |
O |
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|
Suitable for isolation |
O |
O |
O |
O |
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|
Mechanical data |
Dimensions [mm] |
a |
90/120 |
105/140 |
140/280 |
210/280 |
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|
b |
191 |
240 |
297/322 |
406 |
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|
c |
68 |
68 |
200 |
140 |
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|
ca |
92 |
92 |
252 |
190 |
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|
Weight [kg] |
1.5/1.9 |
2.7/3.7 |
16.7/26.1 |
23.5/30.7 |
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|
Cassette- type accessories |
Alarm switch |
(AL) |
O |
O |
O |
O |
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|
Auxiliary switch |
(AX) |
O |
O |
O |
O |
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|
Shunt trip |
(SHT) |
O |
O |
O |
O |
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|
Undervoltage trip |
Non-synchronous closing |
(UVT-N) |
O |
— |
O |
O |
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|
Synchronous closing |
(UVT-S) |
— |
O |
O |
O |
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|
Accessories connection |
With terminal block |
(SLT) |
O |
O |
O |
O |
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|
With internal terminal type |
O |
O |
O |
O |
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|
Installation and connection |
Front |
Screw terminal (standard) |
O |
O |
O |
O |
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|
Solderless terminal |
O |
O |
O |
— |
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|
Busbar terminal |
— |
— |
O /— |
— |
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|
Rear |
(B) |
O |
O |
O |
O |
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|
Plug-in |
Rear |
(PM) |
—/ O |
— |
O |
O |
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|
Rear front IP 20 with auto trip |
(PM-IP) |
O /— |
O /— |
— |
O |
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|
Built-in accessories |
Pre-alarm-contact output a |
(PAL) |
— |
— |
— |
O |
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|
Overcurrent trip alarm a |
(OAL) |
— |
— |
— |
O |
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|
External accessories |
External operating handle |
Door mounting |
(V) |
O |
O |
O |
O |
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|
Mounted on breaker |
(R) |
O |
O |
O |
— |
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|
Electrical operation device |
(MDS) |
O |
O |
O |
O |
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|
Handle lock device |
Handle lock for use with padlock |
(HL) |
O |
O |
O |
— |
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|
(HL-S) |
O |
O |
O |
O |
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|
Lock cover |
(LC) |
O |
O |
O |
O |
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|
Terminal cover |
Large |
(TC-L) |
O |
O |
LR, GL, BV, AB |
LR, GL, AB |
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|
Small |
(TC-S) |
O |
O |
Electronic |
Electronic |
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|
For rear connection |
(BTC) |
O |
O |
Equipped |
Equipped |
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|
For plug-in |
(PTC) |
O |
O |
O |
O |
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|
Mechanical interlock |
(MI) |
O |
O |
O |
O |
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|
Insulating barrier |
Between phases (Standard) |
(BA-F) |
O |
O |
O |
O |
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|
Adapter for IEC 35 mm rail |
— |
— |
O /— |
O |
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|
Others |
CE marking |
Self-declaration |
Self-declaration |
Self-declaration |
Self-declaration |
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|
CCC recognition |
— |
— |
Recognized |
Recognized |
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|
Automatic tripping device |
Thermal-magnetic |
Thermal-magnetic |
Thermal-magnetic |
Thermal-magnetic |
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|
Trip button |
Equipped |
Equipped |
Equipped |
Equipped |
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UL 489 Listed Molded Case Circuit Breakers with Ground Fault Protection NV-U
This kind of breaker complies to UL 1053 and CSA C22.1No.144.