Pepperl+Fuchs 5500 Series Purge and Pressurization System – ATEX/IECEx, Zone 2 & C1D2
The Pepperl+Fuchs Bebco EPS 5500 Series is a fully automatic purge and pressurization system designed to protect electrical enclosures in hazardous areas. Certified for Zone 2/22 and Class I/II, Division 2, this system provides purging, leakage monitoring, pressure control, and temperature management with a rugged stainless steel construction.
Featuring an intuitive membrane keypad, LED status indicators, and built-in temperature monitoring with RTD inputs, the 5500 Series offers advanced safety and user-friendly operation. Its compatibility with vents and solenoid manifolds ensures complete protection while reducing the need for heavy flameproof enclosures in harsh industrial environments.
Key Features:
✅ ATEX, IECEx, UL, cULus certified for Zone 2/22 and C1D2
✅ Fully automatic purge and pressurization operation
✅ Integrated leakage, pressure, and temperature monitoring
✅ RTD inputs for alarm and temperature control
✅ Rugged 316 stainless steel housing (IP66 / Type 4X)
✅ LED indicators for purge, safe pressure, bypass, and alarms
✅ Wide voltage input: 100–240 V AC or 20–30 V DC
✅ Protects enclosures from explosive gases and dust
✅ Supports compressed air or inert gas supplies
✅ Enclosure pressure loss detection with automatic compensation
📦 Package Options:
🔹 Standard Control Unit: Purge/pressurization only
🔹 With RTD Inputs: Adds temperature control and alarms
🔹 Complete System: Control unit + EPV-5500 vent + manifold kit
Pepperl+Fuchs 5500 Series Technical Specifications:
| Feature | Details |
|---|---|
| Model | 5500 Series |
| Certification | ATEX, IECEx, UL, cULus (C1D2, C2D2, Zone 2/22) |
| Operating Mode | Fully automatic purge and pressurization |
| Voltage | 100–240 V AC (0.05 A) or 20–30 V DC (0.2 A) |
| Power Consumption | 2.3 VA (AC) / 2.5 W (DC) without valve |
| Inputs | 2 RTDs (temperature), 1 bypass contact |
| Outputs | SPST enclosure power, SPDT alarm, solenoid valve contact |
| Indicators | LED: purge, safe pressure, bypass, alarms |
| Ingress Protection | IP66 / Type 4X |
| Operating Temp | -20 °C to +60 °C (T4), -20 °C to +40 °C (T6) |
| Safe Pressure | 0.3 in w.c. (gas), 0.65 in w.c. (dust) |
| Housing Material | 316 stainless steel |
| Dimensions | 165 × 124 × 90 mm (6.5 × 4.9 × 3.5 in) |
| Weight | 2.7 kg (6 lbs) |
Certifications & Compliance:
🔗 ATEX – Certified for Zone 2/22 hazardous locations
🔗 IECEx – International certification for Ex pzc applications
🔗 cULus – Class I/II, Division 2 approval (Groups A, B, C, D, F, G)
🔗 IP66 / Type 4X – Stainless steel corrosion-resistant housing
🔗 Download Datasheet
Applications of Pepperl+Fuchs 5500 Series:
🔹 Oil & Gas
🔹 Chemical Plants
🔹 Mining
🔹 Labs
🔹 Manufacturing
What’s in the Box?
📦 1x Pepperl+Fuchs 5500 Series Purge and Pressurization Unit
📦 1x Mounting Kit
📦 1x Documentation Kit
Ordering & Shipping Details
📦 Lead Time: Please contact us to confirm current lead times
📍 Shipping Terms: Worldwide / Expedited Options
💳 Payment Options: Credit Card, PayPal, Net 30 Terms
FAQs:
What is the operating mode?
The 5500 Series is fully automatic, managing purge, pressure, and leakage functions.
Can it monitor temperature?
Yes, up to 2 RTDs can be connected for temperature monitoring and alarm control.
What materials is the housing made of?
The housing is 316 stainless steel, IP66 / Type 4X rated for durability.
What certifications does it carry?
It is ATEX, IECEx, UL, and cULus approved for Zone 2/22 and Class I/II Div. 2 environments.





























