Square D NFNF36100 Molded Case Circuit Breaker
- 100A
- 3 Pole
- Unit Mount
Quantity
Square D NFNF36100 - 100A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Operating within the NFNF series, the Square D NFNF36100 is a 3-pole, 100A molded case circuit breaker. It offers LI protection with an adjustable thermal trip and fixed magnetic setting for precise system tuning. This unit mount breaker is designed for integration into Square D NF panelboards. It is officially replaced by the HGL36100, which requires an N150MH kit for proper NF panelboard installation. Rated for up to 600Y/347VAC, it provides a 35 kAIC interrupting capacity at 480VAC.Specifications
| Brand | Square D |
|---|---|
| Part Number | NENL34020 |
| Series | NFNF |
| Amperage | 100A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600Y/347VAC |
| Frame Type | NENL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D NF Panelboards |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Adjustable Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Motor Operator |
|---|---|
| Accessories | Lugs not included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated |
Product FAQs
5 answersWhat panelboards are compatible with the NFNF36100 circuit breaker?
The NFNF36100 is a unit-mount, bolt-on breaker designed exclusively for Square D NF series panelboards. It is not compatible with I-Line panelboards.
Can the NFNF36100 be used on an ungrounded 600V Delta system?
No. The 600Y/347V slash rating indicates it is only suitable for solidly grounded Wye systems where the line-to-ground voltage does not exceed 347V and the line-to-line voltage does not exceed 600V. It cannot be used on ungrounded or corner-grounded 600V Delta systems.
How does the NFNF36100 connect inside the panelboard?
It utilizes a bolt-on connection for secure unit mounting within compatible Square D NF panelboards. It is commonly applied in feed-thru configurations.
Is the NFNF36100 the same as a Merlin Gerin breaker?
Yes, Square D, Schneider Electric, and Merlin Gerin are affiliated brands. The NFNF36100 may sometimes be labeled under the Schneider Electric or Merlin Gerin brand names but retains the exact same fit and specifications.
How does the trip unit on the NFNF36100 operate?
It utilizes a thermal-magnetic trip unit that provides both long-time (L) and instantaneous (I) protection. The thermal element can be adjusted to fine-tune overload protection, while the magnetic instantaneous trip is fixed for short-circuit protection.
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