GE IC695ACC400
GE IC695ACC400
GE IC695ACC400
GE IC695ACC400

GE IC695ACC412 | Replacement Cap Pack for PACSystems RX3i CPE330 CPU Energy Backup

  • Model:​ IC695ACC412 (The “+” suffix in your query may indicate a newer revision or enhanced version; field specs below are for the standard IC695ACC412) .
  • Alt. P/N:​ Replacement module for the energy pack base unit (e.g., IC695ACC402) .
  • Product Series:​ PACSystem RX3i
  • Hardware Type:​ Replacement Capacitor Pack Module​ (user-replaceable component) .
  • Key Feature:​ 5-year service life capacitor array​ that eliminates battery replacement cycles .
  • Primary Field Use:​ Plugs into the bottom of the compatible RX3i energy pack to maintain backup power, allowing the CPE330 CPU to save volatile memory to flash during a main power loss .
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Description

Hard-Numbers: Technical Specifications

  • Memory Retention Time:​ 60 seconds typical​ (at full charge) during a power loss .
  • Full Charge Time:​ 60–90 minutes​ from a completely discharged state .
  • Capacitor Service Life:​ Up to 5 years​ (installed); 1 year​ shelf life (uninstalled) .
  • Operating Temperature:​ 0°C to +60°C​ (32°F to 140°F) .
  • Storage Temperature:​ -40°C to +85°C​ (-40°F to 185°F) .
  • Hazardous Location Rating:​ Class I, Division 2, Groups A, B, C, D​ with T4A​ temperature code .
  • Protection Class:​ IP20​ .
  • Mounting:​ Four bottom screws​ on the energy pack housing .
  • LED Indicators:​ IN​ (input power), OUT​ (output power), STAT​ (charging/ready status) .
  • Agency Approvals:​ UL Listed, CE Marked​ .
  • Exclusive Compatibility:​ IC695CPE330 CPU​ only .
GE IC695ACC400

GE IC695ACC400

The Real-World Problem It Solves

A failed or aged capacitor pack in an RX3i energy pack means the CPE330 CPU loses all volatile memory the instant 24VDC drops—wiping production counters, machine states, and active recipe parameters. This module is the field-replaceable heart that fixes that.

Where you’ll typically find it:

  • Scheduled Maintenance Kits:​ As a proactive spare part for the 5-year replacement cycle on RX3i CPE330 systems in continuous process plants.
  • Troubleshooting Repairs:​ In a service tech’s kit, used to replace a failed capacitor pack showing a fault LED or insufficient hold-up time.
  • System Upgrades:​ During retrofits where legacy battery-backed systems are being converted to maintenance-free capacitor backup.

It turns a potential control system brain wipe into a predictable, scheduled component swap.

 

Hardware Architecture & Under-the-Hood Logic

This isn’t a standalone device; it’s the consumable power storage core that plugs into a host energy pack base. The base handles the switching and communication; this module is the capacitor bank.

  1. Physical Interface:​ The module connects via a multi-pin connector on its top surface, mating directly with the energy pack base’s internal board when secured with four screws .
  2. Energy Storage Core:​ Contains an array of electrolytic or similar capacitors wired to store energy at the system’s backup rail voltage (e.g., 3.3V or 5V for memory) .
  3. Integrated Monitoring:​ Includes circuitry that allows the host energy pack to monitor the capacitor’s charge state and overall health, reporting this data back to the CPU .
  4. Controlled Discharge Path:​ When the base unit detects a power failure, it connects this module’s stored energy directly to the CPU’s memory retention rail, providing a clean, regulated discharge for the critical save-to-flash operation .
GE IC695ACC400

GE IC695ACC400

Field Service Pitfalls: What Rookies Get Wrong

Assuming it’s a Universal Spare

The biggest mistake is thinking this cap pack works with any RX3i energy pack. It is designed exclusively for systems using the CPE330 CPU. Using it in an ACC400 (for CPE302/305/310) or ACC403 (for CPE400/CPL410) base will not work and may cause damage .

  • Field Rule:​ Match the cap pack to the CPU model. Check the CPU’s front label. If it’s not a CPE330, you need a different capacitor module.

Overtightening the Mounting Screws

The housing is plastic. Cranking down the four mounting screws with a powered driver can crack the case, break internal solder joints, or warp the connector alignment.

  • Quick Fix:​ Hand-tighten only. Use a small screwdriver and stop as soon as you feel firm resistance. The screws need to be snug, not torqued.

Interrupting the Initial Charge Cycle

After installing a new module, the STAT LED will remain solid (often green or amber) for over an hour while the capacitors charge from zero. Rookies see this, think it’s stuck, and cycle power or reseat it, corrupting the charge logic .

  • Field Rule:​ After installation, apply system power and walk away for at least 2 hours. Do not disturb it. A long initial charge is normal and required for capacitor formation.

Ignoring the 1-Year Shelf Life

Ordering a spare and letting it sit on the shelf for three years before using it. The capacitors degrade with time, even unused. Installing an old spare may give you only 2 years of service instead of 5.

  • Field Rule:​ Write the manufacture date or receipt date​ on the box. If it’s been on the shelf for over 18 months, consider it expired for critical systems. Source a fresh unit.

Please note:​ The listed price is for reference only and is not binding. Final pricing and terms are subject to negotiation based on current market conditions and availability.

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