KIDDE ULFire detection & alarm
VS1 · Intelligent Fire Alarm Control Panel
Technical documents: 2
Products / KIDDE UL / VS4 · Intelligent Fire Alarm Control Panel
['Manufacturer VS1 / VS4 family photograph. Cabinet size, colour and options vary by model.', 'صورة المصنّع لعائلة VS1 وVS4. تختلف أبعاد الخزانة ولونها وخياراتها حسب الموديل.']
KIDDE UL / Fire detection & alarm
VS4 · Intelligent Fire Alarm Control Panel
VS4 is an expandable intelligent fire alarm control panel with one 250-address loop supplied, up to four loops and 1,000 addresses, and four Class B or two Class A notification circuits.
| Manufacturer | KIDDE UL |
|---|---|
| Model / family | VS4 |
| System | Fire detection & alarm |
| Selection & quotation | Based on project specification, configuration and quantities. |
Technical specifications
| Control architecture | Electronic-addressed intelligent fire alarm system.Source · 1 ↗ |
|---|---|
| Supplied addressable loops | 1 Class A/B loop supplied for each model.Source · 1 ↗ |
| Maximum addressable loops | 4; optional loop controllers required.Source · 2, 7 ↗ |
| Addresses per loop | 125 detectors + 125 module addresses (250 total; separate address pools).Source · 7 ↗ |
| Addressable device capacity per panel | 250 addresses supplied; up to 1,000 with four loops.Source · 1–2 ↗ |
| Panel network capacity | Standalone panel; optional Ethernet communication is for diagnostics, programming and supported communication services, not a stated peer-to-peer panel network.Source · 1 ↗ |
| Network media / interfaces | Optional SA-ETH Ethernet/IP; SA-DACT2 dialer; SA-232 serial interface. Select cards separately.Source · 8 ↗ |
| Notification / supervised outputs | 4 Class B OR 2 Class A NACs.Source · 7 ↗ |
| Notification current limits | 2.5 A per NAC; 6 A total at 120/230 VAC 60 Hz, 5 A total at 230 VAC 50 Hz.Source · 7 ↗ |
| Primary supply voltage | 120 VAC 60 Hz or 230 VAC 50/60 Hz, according to ordered SKU; do not treat as automatic universal input.Source · 7–8 ↗ |
| Battery / charger capacity | 26 Ah charger capacity; cabinet holds two 18 Ah batteries; larger batteries require external cabinet.Source · 7 ↗ |
| Loop cable constraints | 66 Ω maximum loop resistance; 0.5 μF capacitance; 0.5 A circuit current; maximum 64 isolators per loop.Source · 7 ↗ |
| Operator display | 4 × 20-character backlit LCD.Source · 1 ↗ |
| Remote annunciators | Up to eight RS-485 annunciators; maximum data line 4,000 ft (1,219 m).Source · 7 ↗ |
| Operating temperature | 0 to 49°C.Source · 7 ↗ |
| Relative humidity | 0–93% RH, noncondensing.Source · 7 ↗ |
| Device / system compatibility | Use VS1/VS4 compatibility list P/N 3102354-EN; do not assume FX rotary devices are interchangeable.Source · 7 ↗ |
| Manufacturer-stated approvals / standards | UL UOJZ.S3000 record names VS4-G, VS4-R, VS4-G-2, VS4-R-2. Complete supplied record dated 2026-07-02; exact model and conditions apply.Source · 1 ↗ |
Ratings, approvals and compatibility apply only to the models and configurations identified in the manufacturer’s documents.
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Technical documents
K85005-0135 · Original manufacturer document↓UL UOJZ.S3000 · System control unitsCovered models: VS4-G, VS4-R, VS4-G-2, VS4-R-2↓Preview technical document ↓
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