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Eaton / Moeller Series
8A, 4P, D-Curve, DIN rail supplementary breaker, UL 1077, for inductive loads
The Eaton/Moeller FAZ-D8/4 is a 4-pole, 8 amp D-curve supplementary circuit breaker designed for high inrush inductive loads such as motors, transformers, and power supplies. This UL 1077 recognized and CSA certified device is suitable for use where additional protection within equipment is required and not intended as a branch circuit protector per NEC Article 240. It features a high magnetic trip point (10–20x In), thermal-magnetic trip technology, and DIN rail mounting. Ideal for control panels, appliances, and industrial systems, the FAZ-D8/4 includes features such as a trip-free mechanism, contact position indicator, and a compact 17.7 mm per-pole width. Conforms to UL 1077, CSA C22.2 No.235, and IEC 60947-2.
Country of Origin: DE
We source directly from Eaton - 100% genuine, new-in-box certified parts.
| Brand | Eaton / Moeller |
|---|---|
| Model | FAZ-D8/4 |
| Alternate Part Number | WMZS4D08 (Obsolete) |
| Series | FAZ |
| Product Type | Supplementary Circuit Breaker (MCB) |
| Mounting | DIN Rail |
| Terminal Type | Screw Terminals |
| Standards | UL 1077, CSA C22.2 No.235, IEC 60947-2 |
| UL File Number | UL 177451 |
| Amperage | 8A |
|---|---|
| Poles | 4 |
| Trip Type | Thermal-Magnetic |
| Curve Type | D-Curve (10–20x In) |
| Interrupting Capacity | 10 kAIC @ 277/480V AC |
| Voltage Rating | 277/480V AC |
| Current Limiting | Yes |
| Trip-Free Mechanism | Yes |
| Module Width | 17.7 mm per pole |
| Contact Position Indicator | Yes (Red/Green) |
| Field Installable Options | Shunt Trip, Auxiliary Switch |
| Sealable Toggle | Yes (ON/OFF positions) |
| Typical Applications | Motors, Transformers, Power Supplies, Control Circuits, Appliances |
Doing business with KM Parts has been a game-changer for our company. Their vast inventory and prompt same-day shipping have significantly minimized our downtime. The team's expertise and willingness to go the extra mile have made them an invaluable partner in our industrial automation needs.
We only sell authorized Eaton/Moeller parts. No knock-offs, no used parts, all warrantied. As the largest authorized stocking USA distributor representing Eaton/Moeller, we’re here to help your company run smoothly, with the best parts available, at competitive pricing, and with minimal downtime.
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