ABB S804U-UCZ 4-pole DC circuit breaker for 600 VDC networks, Z curve, 10–80 A, UL 489
10 versions available · full ordering table in the datasheet
Pricing depends on specification, quantity and delivery location. Send your requirement and we reply with a costed quotation within 24 hours.
Quick overview
- Type: High-performance MCB (UL 489)
- Series: S804U-UCZ
- Trip curve: Z
- Poles: 4
- Rated current (A): 10–80
- Breaking capacity: 10 kA
- Genuine productsSourced from the manufacturer or authorised channels
- Delivery across BangladeshDhaka, Chattogram and all industrial zones
- After-sales supportInstallation guidance and warranty handling
- Reply within 24 hoursCall +880 1713 552466 or email hello@argonmark.com
Specifications
| General | |
|---|---|
| Part no. | BD-1344 |
| Category | Miniature Circuit Breakers |
| Group | Electrical |
| Brand | ABB |
| Model | S804U-UCZ |
| Technical | |
| Type | High-performance MCB (UL 489) |
| Series | S804U-UCZ |
| Trip curve | Z |
| Poles | 4 |
| Rated current (A) | 10–80 |
| Breaking capacity | 10 kA |
| Rated voltage | 600 VDC (4 poles in series) |
| Standard | UL 489 |
Datasheet
Download manufacturer datasheet (PDF)
Ordering information — catalogue numbers
| Rated current | Catalogue no. |
|---|---|
| 10 A | S804U-UCZ10 |
| 15 A | S804U-UCZ15 |
| 20 A | S804U-UCZ20 |
| 25 A | S804U-UCZ25 |
| 30 A | S804U-UCZ30 |
| 40 A | S804U-UCZ40 |
| 50 A | S804U-UCZ50 |
| 60 A | S804U-UCZ60 |
| 70 A | S804U-UCZ70 |
| 80 A | S804U-UCZ80 |
Technical specifications
| Standard | UL 489 |
|---|---|
| Characteristic | Z |
| Rated current Ie | 10–80 A |
| Rated voltage Ue | 600 VDC |
| No. of poles | 4 (wired in series, see wiring diagrams) |
| Short-circuit current rating (UL 489) | 10 kA |
| Tripping behaviour (UL 489) | Thermal 1.00...1.35 × In; electromagnetic 11 × In ± 20 % |
| Tightening torque | 3.5 Nm (31 in.lb) |
| Protection category | IP40 (actuating end only) |
| Mounting position | Any |
| Contacts | Cadmium-free |
| Reference temperature for tripping characteristic | 25 °C |
| Ambient temperature | -25...+60 °C |
| Storage temperature | -40...+70 °C |
| Approval | cULus |
Features
- Designed for DC networks up to 600 VDC, e.g. data centres
- 4-pole device, poles connected in series by jumpers
- 10 kA short-circuit rating to UL 489
- Fast breaking time (2.3–2.5 ms)
- Wide range of accessories
- 35 mm DIN rail mounting
- Finger-safe, multi-function terminals
Trip curve — Z
Tested and listed wiring
| Ampere rating (A) | 10–32 | 40–63 | 70–80 |
|---|---|---|---|
| Conductor type | Single conductor per terminal, copper only, 60/75 °C wire | Single conductor per terminal, copper only, 60 °C wire only | Single conductor per terminal, copper only, 60 °C wire only |
Poles are connected in series with jumpers; see the series datasheet PDF for the wiring diagrams.
Approximate dimensions (mm)
Source: ABB US Catalog, Miniature Circuit Breakers, November 2016 (1SXU400208C0201). Download the series datasheet (PDF)
Description
The ABB S804U-UCZ is a 4-pole S800U-family circuit breaker designed for DC networks up to 600 VDC, such as data centres. Its four poles are connected in series with jumpers, giving a 10 kA short-circuit current rating to UL 489.
Z curve: very low magnetic threshold (roughly 2–3 × In), for sensitive electronics, semiconductors and measuring/voltage-transformer circuits.
Choose the rated current below; the matching ABB catalogue number is shown and included in your quotation request.
Questions & answers
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