Product details
| Part number | 2081-9028 |
|---|---|
| Description | Transient Cube for MAPNET I, Ii |
| Category | Enclosures, Doors & Accessories / EOL, Surge, Barriers & Small Parts |
| System | Simplex fire alarm systems |
| Works with | DC notification appliance circuits (NACs), 25 VRMS speaker NACs, IDNAC SLCs, TrueAlert SLCs |
| Approvals | UL 497B listed as an Isolated Loop Circuit Protector; ULC-S527 listed as a surge suppressor; CSFM listed |
| Availability | On request, ask for lead time |
| Support | Selection, compatibility and programming help from our engineers |
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About the 2081-9028
Low-impedance transient protector for fire alarm circuits, rated for up to 5 A of DC or audio current. It works with DC NACs, 25 VRMS speaker NACs, IDNAC SLCs and TrueAlert SLCs, for internal or external wiring. Place it where the circuit leaves or enters the building, in a dedicated metal box.
On IDNAC and TrueAlert SLCs the length is limited to 1000 ft (305 m), with a maximum of two 2081-9028 per branch.
Specifications
| Continuous current | 5A |
|---|---|
| Line-to-line rating | 38 VDC, 28 VAC RMS |
| Shield-to-ground rating | 48 VDC, 33 VAC RMS |
| Series resistance | 0.1 Ω/line |
| Series inductance | 68 µH/line |
| Dimensions | 3 ⅜” W x 2” D x 1” H (86 mm x 50 mm x 25 mm) |
| Electrical box | 4” (102 mm) square box, 2 ⅛” (54 mm) minimum depth |
| Leads | Color coded, 18 AWG (0.82 mm2), 8” long (203 mm) |
Used with
From Simplex datasheet S2081-0008. The datasheet can be downloaded under Documents above.
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