Description
Product Introduction
I’ve swapped dozens of these cap packs during midnight maintenance windows—they’re the difference between a quick restart and hours of reprogramming. The GE IC695ACC412 is a capacitor-based replacement module for PACSystem RX3i energy packs, specifically designed for the CPE330 CPU .It provides about 60 seconds of memory retention during power loss—enough time for the controller to dump RAM to Flash . The capacitor lasts roughly 5 years installed, though that drops to just 1 year if left on the shelf uninstalled .
Key Technical Specifications
| Parameter | Value |
|---|---|
| Compatibility | PACSystem RX3i CPE330 CPU only |
| Memory Retention | 60 seconds typical (full charge) |
| Charging Time | 60–90 minutes to full charge |
| Capacitor Life (installed) | Up to 5 years |
| Shelf Life (uninstalled) | 1 year |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
| Temperature Code | T4A |
| Hazardous Location Rating | Class I, Division 2, Groups A–D |
| Protection Class | IP20 |
| LED Indicators | IN (power on), OUT (power out), STAT (charging/ready) |
| Dimensions | 3.5 × 13.5 × 13.5 cm (1.38 × 5.31 × 5.31 in) |
| Weight | 0.24 kg (0.53 lb) |
| Mounting | Bottom of energy pack with 4 screws |
GE IC695ACC400
Quality Control Process (SOP Transparency)
Capacitor modules fail silently—that’s why we test them like they’re going into a safety system. Here is the verification sequence for the GE IC695ACC412.
- Incoming Verification: Validate part number against Emerson’s compatibility matrix . Check manufacturing date code—the 1-year shelf life clock starts immediately. Inspect bottom connector pins for gold plating integrity and alignment.
- Live Functional Test: Install in test RX3i energy pack connected to CPE330 CPU. Simulate power loss with controlled DC supply cutoff. Time the memory retention—it should exceed 45 seconds minimum. Monitor all three status LEDs throughout discharge and recharge cycles.
- Electrical Parameter Test: Measure insulation resistance at 500 V between power terminals and casing (>100 MΩ). Verify charging circuit activates within 2 seconds of power restoration. Check capacitor ESR (equivalent series resistance) with LCR meter—should be <100 mΩ for new units.
- Firmware Verification: No firmware, but record capacitor manufacturing batch code. Photograph LED patterns during charge (STAT green), discharge (OUT on), and ready states.
- Final QC & Packaging: Inspector signs off after confirming T4A temperature code marking. Seal in anti-static bag with desiccant. Bubble wrap and carton with QC label showing test date and measured retention time.
GE IC695ACC400
Replacement Pitfall Guide (Field Engineer’s Warnings)
The GE IC695ACC412 looks simple but has specific failure modes that only appear during actual power loss. Keep these five points in mind and you’ll eliminate roughly 90% of rework.
- ❗ CPU Exclusivity: Only works with CPE330—not CPE400 or earlier models . Case: An engineer ordered this for a CPE400 system—it physically fit but provided zero backup during a power flicker, wiping the program.
- ❗ Shelf Life Awareness: Capacitor degrades even when uninstalled—1 year max . “A unit stored for 18 months might install fine but fail after 20 seconds during an outage, not the rated 60.”
- ❗ Charging Time Reality: The 60–90 minute charge time assumes room temperature . At 0°C ambient, expect 2+ hours for full charge—plan maintenance windows accordingly.
- ❗ Mounting Torque Critical: Four bottom screws—overtightening cracks the housing . Use a torque-limiting screwdriver at 0.6 N·m max. I’ve seen more modules damaged during installation than from actual use.
- ❗ Grounding Requirement: Common ground with controller via shortest wires . Long ground loops introduce noise that interferes with the capacitor’s monitoring circuitry, causing false STAT LED faults.
