Replacement model guide
ACE Controls MA3350M replacement option: EK42x50 comparison
Compare published ACE Controls MA3350M ratings with the EKD EK42x50 candidate and confirm the actual application conditions.
Browse ACE Controls MA / MA-M modelsCandidate requires mounting changes or dimensional review Final selection requires operating data and a drawing review.
Metric-model source reconciled
The earlier record used 429.3 J. The current ACE Controls US page reports 3000 in-lbf/cycle, approximately 338.954 J/cycle. The 2018 catalog summary (printed page 15) and detailed table (page 77) disagree. This comparison now uses the current exact metric-suffix model page. A higher candidate energy rating does not establish equivalent damping, mounting compatibility or an approved replacement.
Checked 2026-10-05. Current model webpage; revision date not supplied. Conversion: 1 in-lbf = 0.112984829 J.
Published parameter comparison
The table compares published catalog values. A higher rating can identify a performance candidate, but it does not remove mounting, force, reset, environment or application checks.
| Parameter | ACE Controls MA3350M | EKD EK42x50 | Assessment |
|---|---|---|---|
| Energy per cycle | 3000 in-lbf/cycle ≈ 338.954 J/cycle | 850 Nm/C | Different — confirm Exact metric-suffix source reconciled 2026-10-05. The 2018 catalog summary (printed p. 15) differs from its detailed table (p. 77). Compare the current reported rating; a higher candidate rating does not establish equivalent damping or interchangeability. |
| Energy per hour | 85,870 J/h | 167,000 Nm/h | Meets reported rating Confirm the actual cycle rate and thermal conditions. |
| Stroke | 48.6 mm | 50 mm | Different — confirm Confirm usable travel, stop position and reset clearance. |
| Body thread | M33 x 1.5 | M42 x 1.5 | Different — confirm Different threads require a mounting change or adapter review. |
| Nominal total length | 189 mm | 195 mm | Different — confirm Check the drawing reference points, installed envelope and rod-end geometry. |
| Impact velocity | MA range: 0.15–5.03 m/s | 0.3–3.5 m/s | Inquiry confirmation required Compare the real operating point, not only the published maximum. |
What must be matched and confirmed
- Actual moving mass, impact velocity and drive force
- Mounting thread, stop geometry and available envelope
- Cycle rate, return time and permissible deceleration
- Temperature, corrosion, alignment and side loading
Continue with EKD review
Open the EKD candidate, then use the matching tool or send the original nameplate, drawing and application data. EKD will confirm the remaining differences before ordering.
Sources and boundary
Original product source: https://www.acecontrols.com/us/products/automation-control/industrial-shock-absorbers/ma-ml33-to-ma-ml64/ma-ml33m/ma3350m.html
EKD candidate source: https://www.vibroabsorber.com/products/shock-absorbers/ek-adjustable-shock-absorbers/ek42x50
Brand names and model numbers identify the user's existing product for comparison. EKD does not claim the original brand's certification, design ownership or guaranteed interchangeability. Final selection requires application confirmation.