Eaton ZD16709 ZoneDefender PRO Type 2 Surge Protector 240V Single-Phase with Dual-Redundant MOV Networks
ZD16709 - ZoneDefender PRO Type 2 AC Surge Protector | 240V Single-Phase
The ZD16709 is a high-performance AC surge protection device (SPD) from Eaton's MTL Crouse-Hinds ZoneDefender PRO series. Designed for Type 2 applications at service entrances and branch circuit panels, this compact unit delivers robust protection against lightning-induced surges, switching transients, and high-frequency electrical noise that can damage sensitive equipment.
The ZoneDefender PRO platform combines high-energy MOV technology with dual-redundant varistor networks - ensuring your facility remains protected even if one component fails. No operator intervention is required; the device resets automatically and is maintenance-free.
- Commercial building electrical panels
- Industrial facility power distribution
- Data center server infrastructure
- Healthcare and medical equipment protection
- Telecommunications systems
- Renewable energy installations (solar inverters, wind turbines)
| Feature | Benefit |
|---|---|
| Type 2 surge protection | Suitable for service entrance or branch circuit panel installation - critical defense point |
| High surge current rating | 15,539,800 kA per phase - exceptional transient energy handling capability |
| 240V / 50-60Hz single-phase | Standard North American and global commercial power compatibility |
| MCOV 320V | Maximum continuous operating voltage ensures safe operation within normal voltage limits |
| Voltage Protection Ratings: L-N = 1200V, N-G = 1000V, L-G = 1200V | Low let-through voltage protects sensitive downstream equipment |
| Dual-redundant MOV network | No single point of failure - your site stays protected |
| All-mode protection | Line-to-neutral, line-to-ground, line-to-line, neutral-to-ground coverage |
| UL Type 1 / Mfg Type 4 enclosure | Suitable for indoor and outdoor installation - durable environmental protection |
| Automatic resetting | Maintenance-free operation - no user intervention required |
| Compact design | Minimal panel space - easy retrofit into existing electrical cabinets |
| UL1449 2nd Edition certified | Verified to North American safety standards |
| Built-in overcurrent and thermal fusing | Protects against sustained overvoltage conditions |
| Parameter | Value |
|---|---|
| Model | ZD16709 |
| Series | ZoneDefender PRO |
| Type | Type 2 Surge Protection Device (SPD) |
| Nominal Voltage | 240V, 50/60Hz |
| Phase Configuration | Single-phase |
| Maximum Continuous Operating Voltage (MCOV) | 320V |
| Surge Current Rating (Imax) | 15,539,800 kA per phase (8/20µs) |
| Voltage Protection Rating (VPR): L-N | 1200V |
| Voltage Protection Rating (VPR): N-G | 1000V |
| Voltage Protection Rating (VPR): L-G | 1200V |
| Protection Modes | Line-Neutral, Line-Ground, Line-Line, Neutral-Ground |
| Technology | Metal Oxide Varistor (MOV) - dual-redundant network |
| Enclosure Rating | UL Type 1 / Mfg Type 4 |
| Circuit Type | Parallel high-energy MOV |
| Terminal Connection | 3-terminal pluggable terminal block |
| Certifications | UL1449 2nd Edition, UL Type 1 |
| Mounting | DIN rail or panel mount |
| Operating Temperature | -40°C to +85°C |
| Humidity | 95% RH (non-condensing) |
| Response Time | <1 nanosecond |
1. No Single Point of Failure
Unlike standard surge protectors, the ZoneDefender PRO features dual-redundant MOV networks. If one varistor fails, the redundant network continues to provide protection - ensuring your critical equipment is never left vulnerable.
2. Fully Automatic Operation
The ZD16709 reacts immediately to transient events, clamping voltage surges without causing unnecessary leakage losses during normal operation. After the surge passes, the unit resets automatically - no maintenance, no downtime, no operator intervention.
3. All-Mode Protection Coverage
Many surge protectors only protect line-to-neutral. The ZD16709 provides comprehensive protection across all four modes: Line-Neutral, Line-Ground, Line-Line, and Neutral-Ground.
4. Built-In Safety Features
The device incorporates solid-state diagnostic capabilities with built-in overcurrent and thermal fusing protection - automatically disconnecting under sustained overvoltage conditions to prevent fire hazards.
5. Compact, Versatile Installation
Designed for both new construction and retrofit applications, the ZD16709's compact footprint fits easily into crowded electrical panels. The UL Type 1 / Type 4 enclosure supports both indoor and outdoor installations.
| Industry | Specific Application |
|---|---|
| Commercial Buildings | Office electrical panels, retail store power distribution, HVAC systems |
| Industrial Facilities | Manufacturing plant control panels, machinery power supplies, automation systems |
| Data Centers | Server racks, UPS systems, critical IT infrastructure |
| Healthcare | Medical imaging equipment, patient monitoring systems, surgical suites |
| Telecommunications | Base station power, communication infrastructure, tower equipment |
| Renewable Energy | Solar inverter AC output, wind turbine grid connection |
| Infrastructure | Traffic control systems, utilities, pumping stations |
| Research Laboratories | Sensitive test equipment, measurement instruments |
- Location: Type 2 SPD - install at service entrance or branch circuit distribution panels
- Configuration: Single-phase, 2-wire + ground (TT - TNC/TNS systems)
- Mounting: DIN rail (EN 60715) or direct panel mount
- Wiring: Parallel connection using 3-terminal pluggable terminal block
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