Square D 989320 Miniature Circuit Breaker
- 20A
- 3 Pole
- DIN Rail
Quantity
Square D 989320 - 20A 3 Pole Miniature Circuit Breaker
Re-Certified
Quantity
Description
Built for commercial and industrial applications, the 989320 delivers reliable thermal-magnetic protection. This 3-pole, 20-amp miniature circuit breaker is designed for OEM enclosures and control panels. It easily installs onto standard DIN rails and features a screw/clamp terminal design for secure connections. Rated for 10 kAIC at 240VAC and 5 kAIC at 480Y/277VAC, it includes positive break indication and is HACR rated. Note: This unit is replaced by the M9F22320.Specifications
| Brand | Square D |
|---|---|
| Part Number | 989320-R |
| Series | C60 |
| Amperage | 20A |
| Poles | 3 |
| Mounting Style | DIN Rail |
| Voltage | 240VAC, 480Y/277VAC, 60VDC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC, 5kA @ 480Y/277VAC, 10kA @ 60VDC |
| Terminal Type | Screw/Clamp Terminal |
|---|---|
| For Use With | DIN Rail Panels, OEM Enclosures |
| Wire Gauge | 18-4 AWG |
| Max Wire | 4 AWG |
| Min Wire | 18 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Rotary Handle, Terminal Shields |
|---|---|
| Standards | CSA C22.2 No. 235, EN 60947-2, IEC 60947-2, UL 1077 |
| Approval | CCC, CE, CSA, IEC, UL, UR, VDE |
| Temp Rating | -30C to 70C |
| Construction Features | Current Limiting, Positive Break Indication |
Product FAQs
5 answersHas the Square D 989320 been discontinued?
Yes, the 989320 is an obsolete part number. Schneider Electric has replaced it with the updated Multi9 series catalog number M9F22320, which is also a 3-pole, 20A DIN rail-mounted breaker.
Can the Square D 989320 be installed in a standard QO or Homeline load center?
No. The 989320 is a DIN rail-mounted miniature circuit breaker designed for OEM enclosures and industrial control panels. It is not compatible with residential QO or Homeline load centers.
Is the Square D 989320 rated as a branch circuit breaker or a supplementary protector?
The 989320 is a UL 1077 recognized supplementary protector. It is designed to provide additional protection within appliances or electrical equipment where branch circuit protection is already provided or not required. It is not a UL 489 rated branch circuit breaker.
What field-installable accessories are compatible with the 989320 breaker?
This C60 series breaker supports a variety of modular accessories, including shunt trips, auxiliary switches, undervoltage releases, alarm switches, padlock attachments, and rotary handles.
What does the LI trip function code indicate on the 989320 breaker?
The LI designation means this thermal-magnetic breaker provides Long-Time (thermal) protection against overloads and Instantaneous (magnetic) protection against short circuits. The trip settings are fixed and cannot be adjusted in the field.
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