Dayton
Dayton 33V904 10 A 3-pole D-curve DIN rail circuit breaker
DIN-rail mounted 10 A three-pole D-curve breaker rated 480 V AC with 10 kA interrupting capacity
- 10 A D-curve protection for high inrush loads
- Three-pole 480 V AC switching for three-phase circuits
- 10 kA interrupting capacity at 480 V AC
- DIN rail mount with lug terminals for 54–70 AWG wire
- UL 489 listed and CE marked for US and Canada
10 A D-curve three-pole breaker
The Dayton 33V904 is a 10 A three-pole miniature circuit breaker with a D-curve thermal-magnetic trip. It is built for industrial control panels that need IEC-style protection on 480 V AC three-phase circuits.
DIN rail mount with lug terminals
The unit clips onto a standard DIN rail and uses lug terminals that accept conductors from 54 AWG up to 70 AWG. Its 32 A frame size fits within the NDB2T-63 series envelope, leaving adjacent rail space for additional modules or wiring duct.
Replaces lower-rated or C-curve devices
Panels currently using a 10 A C-curve breaker that trips on motor inrush can move to this D-curve model for higher magnetic withstand. The step up is justified when the load includes transformers, solenoids or other high-inrush equipment that the existing breaker cannot hold.
Highlights
- 10 A D-curve protection for high inrush loads
- Three-pole 480 V AC switching for three-phase circuits
- 10 kA interrupting capacity at 480 V AC
- DIN rail mount with lug terminals for 54–70 AWG wire
- UL 489 listed and CE marked for US and Canada
Specifications
| Brand | DAYTON |
|---|
Questions about this item
What is the maximum short-circuit current the 33V904 can interrupt at 480 V AC?
The breaker has a maximum AIR rating of 10 kA at 480 V AC, meaning it can safely clear fault currents up to that level.
How much heat will the 33V904 dissipate inside a closed panel during continuous 10 A operation?
The thermal-magnetic trip mechanism generates heat proportional to load current; at full 10 A rating the device meets UL 489 temperature-rise limits for its 32 A frame size.
Which wire gauges can be terminated on the 33V904 lugs without adapters?
The lug terminals accept solid or stranded conductors from 54 AWG up to 70 AWG per the manufacturer's specification.
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