ABB S500UC-B DC supplementary protector, B curve, 6–63 A, 1–4 pole, UL 1077
Pricing depends on specification, quantity and delivery location. Send your requirement and we reply with a costed quotation within 24 hours.
Quick overview
- Type: Supplementary protector (UL 1077)
- Series: S500UC-B
- Trip curve: B
- Poles: 1, 2, 3, 4
- Rated current (A): 6–63
- Breaking capacity: 30 kA (UL 1077, CSA C22.2)
- 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-1346 |
| Category | Miniature Circuit Breakers |
| Group | Electrical |
| Brand | ABB |
| Model | S500UC-B |
| Technical | |
| Type | Supplementary protector (UL 1077) |
| Series | S500UC-B |
| Trip curve | B |
| Poles | 1, 2, 3, 4 |
| Rated current (A) | 6–63 |
| Breaking capacity | 30 kA (UL 1077, CSA C22.2) |
| Rated voltage | DC: 250 V (1-pole), 500 V (2-pole), 600 V (3/4-pole) |
| Standard | UL 1077, CSA C22.2 No. 235, IEC |
Datasheet
Download manufacturer datasheet (PDF)
Ordering information — catalogue numbers
| Rated current | 1 pole | 2 poles | 3 poles | 4 poles |
|---|---|---|---|---|
| 6 A | S501UC-B6 | S502UC-B6 | S503UC-B6 | S504UC-B6 |
| 10 A | S501UC-B10 | S502UC-B10 | S503UC-B10 | S504UC-B10 |
| 13 A | S501UC-B13 | S502UC-B13 | S503UC-B13 | S504UC-B13 |
| 16 A | S501UC-B16 | S502UC-B16 | S503UC-B16 | S504UC-B16 |
| 20 A | S501UC-B20 | S502UC-B20 | S503UC-B20 | S504UC-B20 |
| 25 A | S501UC-B25 | S502UC-B25 | S503UC-B25 | S504UC-B25 |
| 32 A | S501UC-B32 | S502UC-B32 | S503UC-B32 | S504UC-B32 |
| 40 A | S501UC-B40 | S502UC-B40 | S503UC-B40 | S504UC-B40 |
| 50 A | S501UC-B50 | S502UC-B50 | S503UC-B50 | S504UC-B50 |
| 63 A | S501UC-B63 | S502UC-B63 | S503UC-B63 | S504UC-B63 |
Technical specifications
| Approvals UL CSA | 1077 C22.2-No. 235 |
|---|---|
| Number of poles | 1, 2, 3, 4 |
| Tripping characteristic | B, K |
| Rated current | B: 6-63 A; K: 0.15-45 A |
| Rated voltage | 1 pole 250 VDC 2 pole 500 VDC 3 pole 600 VDC 4 pole 600 VDC |
| Frequency | 50/60 Hz |
| Mounting position | vertical, horizontal |
| Standard mounting | 35 mm DIN rail |
| Clamps only for CU | 16-4 AWG |
| Service life, mechanical at rated load | 20,000 |
| Ambient temperature | 40 °C...104 °F |
Features
- High breaking capacity
- Fast breaking time (2.3–2.5 ms)
- Adjustable trip unit
- 35 mm DIN rail mounting
- Finger-safe, multi-function terminals
- Wide range of accessories
- UL 1077 recognized 600 VAC and 600 VDC versions
- UL 1077: AC adjustable K; DC adjustable B and K
- UL file E167556
Source: ABB US Catalog, Miniature Circuit Breakers, November 2016 (1SXU400208C0201). Download the series datasheet (PDF)
Description
The ABB S500UC is the DC version of the S500 supplementary protector (UL 1077), rated up to 250 VDC (1-pole), 500 VDC (2-pole) and 600 VDC (3- and 4-pole) with a 30 kA interrupting rating.
B curve: magnetic trip at roughly 3–5 × In, for resistive loads, long cable runs and generator-fed circuits.
Choose the number of poles and the rated current below; the matching ABB catalogue number is shown and included in your quotation request.
Questions & answers
Customer questions
No questions asked yet. Ask about specification, compatibility, lead time or anything else about this item.
Reviews
No reviews yet. Bought or used this item? Be the first to share your experience.







