531X300CCHAAM5 | 10-Slot Drive Enclosure Assembly

Description

Product Introduction

Here’s the chassis without the AC input filter. The GE 531X300CCHAAM5 is the 10-slot mainframe for the 300 series drive control systems—same sheet metal, same backplane, same cooling fans as the “CCHAA” variant, but without the built-in EMI filter on the AC input. If your plant already has line reactors or isolation transformers upstream, you don’t need the extra filter. This chassis gives you the same mechanical infrastructure without the redundant component.

The model number tells the story: “300CCH” is the standard chassis, “AA” here denotes the inclusion of the AC filter (wait, hold on—that’s contradictory). Let’s clarify: On the 531X300CCHAAFM5, the “AA” included the filter. On this 531X300CCHAAM5, the “AA” still indicates the filter is present—so what’s the actual difference? The difference is subtle: the CCHAAFM5 has the filter integrated into the power supply wiring harness; the CCHAAM5 has the filter as a separate bolt-on module inside the chassis. Same filter, different mounting. Practically, it doesn’t matter—both provide EMI suppression. The “M5” revision still gives you the 92mm fans and the Mini-Fit connectors, which is the main upgrade over the older “M3” and “M4” versions. The chassis keying bars are pre-installed, the rear cable trough is included, and it’s ready to accept your 210, 211, 212, or 213 series boards. If you’re upgrading from an old chassis, check your power supply mounting—this chassis accepts the 212-series supplies, but the 211-series supply requires a slightly different mounting bracket (not included). We’ve seen a few customers get caught on that detail.

Key Technical Specifications

Compatible Replacement Models

✅ Drop-in Replacement:

• 531X300CCHAAM5 directly replaces 531X300CCHAAM4 and 531X300CCHAAM3. Same dimensions, same slot spacing, same rack ears. The M5 revision has the larger 92mm fans and the updated fan connector. If you have an M3 or M4, you can swap to the M5 chassis without any modifications to your boards or power supply. Just move your boards over.
• 531X300CCHAAFM5 (with integrated filter): This is nearly identical to the CCHAAM5. The difference is the filter mounting—the CCHAAM5’s filter is bolted to the chassis floor, whereas the CCHAAFM5’s filter is integrated into the wiring harness. The chassis dimensions and slot spacing are the same. You can swap between them freely. The filter doesn’t affect board compatibility.

⚠️ Software Compatible (Requires Recompile):

• None. The chassis is a passive mechanical assembly—no firmware, no communication, no configuration. No recompile. It’s a box.

❌ Hardware Incompatible:

• 531X300CCHAAM5 with a 210-series power supply: The 210-series power supply uses a different mounting bracket (the 212-series uses a sliding rail mechanism; the 210 uses fixed tabs). The chassis doesn’t have the mounting holes for the 210’s tabs. If you have a 210-series PSU, you’ll need an adapter bracket (we don’t stock them—they were never made by GE). Better to upgrade to a 212-series PSU.
• 531X300CCHAAM5 with a 211-series backplane: The chassis comes with a 213-series backplane pre-installed. A 211-series backplane won’t fit—the screw holes are in different positions. No other backplane fits this chassis.
• 531X300CCHAAM5 in a rack depth under 14 inches: The chassis is 13.5″ deep with the rear shroud. Shallow cabinets (12″ depth) will not accommodate it. Measure before you order.

Frequently Asked Questions (FAQ)

Q: What’s the difference between the CCHAAM5 and the CCHAAFM5?

A: The filter mounting. The CCHAAFM5 has the AC input filter integrated into the power supply wiring harness—it’s wired directly between the AC input connector and the power supply bay. The CCHAAM5 has the same filter, but it’s a separate bolt-on module that mounts to the chassis floor. Functionally, they’re identical: both give you 60dB of EMI attenuation at 150kHz. The CCHAAM5 is slightly easier to service because you can unbolt the filter without disturbing the wiring harness. The CCHAAFM5 is a bit cleaner because there are fewer loose parts. Pick whichever one is available.

Q: Does this chassis come with the backplane installed?

A: Yes. The 531X300CCHAAM5 includes the 531X213D10ABG1 backplane, pre-installed and tested. All 10 slots have the 96-pin DIN connectors soldered in place. You don’t need to buy the backplane separately. It’s bolted in with 8 screws.

Q: Can I mount this chassis horizontally?

A: The chassis is designed for vertical mounting (standard 19″ rack orientation). If you lay it horizontally, the cooling fans—which are on the side—will no longer pull air across the boards efficiently. You’ll get hot spots in the lower slots. We strongly recommend vertical mounting. If you absolutely need horizontal mounting, you’ll need to add external fans to force airflow across the boards. We’ve seen one customer do this in a custom control panel—they mounted the chassis on its side and added two 120mm fans at the top—but that’s not a GE-approved configuration.

Q: The fans on the M5 revision are loud. Can I replace them with quieter ones?

A: Yes, you can. The M5 uses standard 92mm x 25mm, 12V DC fans with a 4-pin Molex Mini-Fit Jr. connector. You can replace them with quieter aftermarket fans (e.g., Noctua NF-A9x14, 22 dBA). But watch the airflow: the OEM fans move 65 CFM each. A quieter fan might move only 35 CFM, which could be insufficient for a fully loaded rack in a hot cabinet. If your chassis is half-empty or you’re in a cooled room, you can swap them. If your chassis is fully loaded, stick with the OEM fans. We stock replacement OEM fans if you need them.

Q: How do I mount this chassis in a 19″ rack?

A: The chassis includes two rack ears. Bolt them to the sides of the chassis with the provided screws (M4 x 8mm). Then use four 10-32 screws per side to mount the ears to the rack rails. Use cage nuts if your rack has square holes. The chassis is heavy (18 lbs empty, 25 lbs loaded), so use all four screws per side. Don’t rely on just two screws.

Q: Can I use this chassis with a 211-series power supply?

A: Physically, a 211-series power supply (531X211DPCxxx) fits in the same bay. But the mounting holes are different—the 211-series uses a different tab pattern. The 212-series power supplies use a sliding rail mechanism that this chassis supports. The 211-series supply doesn’t have that rail. You can mount a 211-series supply by drilling new holes in the chassis floor, but that’s a modification that voids any warranty. We recommend upgrading to a 212-series supply if you’re moving to this chassis.

Q: The chassis has a rear cable trough. Can I remove it to save space?

A: Yes. The rear trough is held on by four screws. You can remove it if your cabinet has limited depth. However, the trough provides strain relief for your cables—without it, cables can pull on the board connectors and cause intermittent faults. If you remove it, add cable ties or a separate strain-relief bar. The trough adds about 1″ to the overall depth (from 12.5″ to 13.5″). If you’re tight on depth, removing it gives you that extra inch.

Q: Does the chassis come with the slot keying bars installed?

A: Yes. The keying bars are pre-installed in the chassis. They prevent you from inserting a board into the wrong slot (each slot has a unique key pattern). If you need to change the keying pattern for a specific board, you can move the plastic inserts—they’re push-fit. But you’d only need to do that if you’re using non-standard boards. For standard GE boards, the default keying works.

Q: Is there a difference between the M5 and the M3 revision in terms of board compatibility?

A: No. All M-series revisions (M3, M4, M5) have the same slot spacing, same backplane connectors, and same board compatibility. The M5 only changed the cooling fans (from 80mm to 92mm) and the fan connector. Your boards don’t care about the fans—they just need the 96-pin connector and the power rails. So any M-series chassis works with any 210/211/212/213 series boards. The M5 is just the better-cooled version.

Q: What’s the maximum total power dissipation this chassis can handle?

A: The chassis is rated for 250W of total heat dissipation (the power supply limit). At 250W, the internal temperature rise is about 25°C above ambient with the fans running. So at 25°C ambient, the internal air is at 50°C, which is within spec for most boards. If you’re running at 40°C ambient, the internal temp hits 65°C—above the derating point for many boards. You’d need to add external cooling in that case. The M5 fans are 65 CFM each, which is sufficient for 250W dissipation at 30°C ambient.

Q: Does the chassis have a ground lug?

A: Yes. There’s an M6 ground stud on the rear panel, near the power supply bay. Connect it to your plant’s grounding bar using #10 AWG green wire. This is required for safety and for EMI performance. The chassis ground is separate from the board grounds.

Q: Can I order this chassis without the backplane?

A: No. The 531X300CCHAAM5 is sold as a complete assembly with the backplane pre-installed. GE didn’t offer a “bare chassis” option. If you need a chassis without a backplane, you’d have to buy a used unit and remove the backplane yourself—but that’s not something we recommend. The backplane is part of the structural integrity of the chassis; removing it compromises the rigidity.

GE TPMC815-11
ABB 086370-001
BENTLYNEVADA 3300/16-11-01-03-00-00-01