NICE / APOLLO SPAMG165A00B Limit Switch Kit for M3BAR M5BAR M7BAR MxBAR Operators
The Nice Apollo SPAMG165A00B limit switch kit services the travel limit assembly on MxBAR barrier operators. In a barrier arm system, the limit switch assembly is one of the parts that keeps the arm from driving past the intended open or closed position. When the switch assembly is worn, misaligned, broken, or electrically failed, the operator may stop in the wrong place, continue driving against the mechanical stop, show intermittent movement, or require repeated limit adjustments. This kit is most often ordered for M3BAR, M5BAR, and M7BAR barrier operator service. Because limit switch issues can also be caused by wiring, control board setup, arm balance, or mechanical gearbox problems, the original fault should be confirmed before replacing parts.
Compatible With
Features & Specifications
| Manufacturer | Nice Apollo |
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| Product Type | Limit switch kit |
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| Part Number | SPAMG165A00B |
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| Application | Barrier arm open/close travel limit service |
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| Compatible Operator Type | M-Bar / MxBAR barrier operators |
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| Compatible Models | M3BAR, M5BAR, M7BAR where specified |
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| Notes | Requires limit check and setup after replacement |
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Also Known As / Related Part Numbers
- SPAMG165A00B
- NICE-SPAMG165A00B
- HYS-SPAMG165A00B
- SPAMG165A00
- MxBAR limit switch kit
- M-Bar limit assembly
- M3BAR M5BAR M7BAR limit switch assembly
Technician Note
If the arm is stopping in the wrong position, inspect both the switch kit and the mechanical travel path. A bent arm, loose hub, failed gearbox part, or incorrect spring balance can look like a limit switch problem.
Before Ordering
- Confirm M3BAR, M5BAR, or M7BAR operator model.
- Check the original limit switch kit number.
- Inspect wiring and connectors before replacing the switch kit.
- Confirm no mechanical binding is causing limit faults.
- After installation, test full open and close travel several times.
Professional Advisory
Limit switch replacement affects the final stopping point of a moving barrier arm. A qualified gate technician should set and test travel, force, safety devices, and access-control inputs after repair.
Important Ordering Warnings
- Do not bypass limit switches to keep a barrier running. Operating without proper limits can damage the gearbox, arm assembly, and control system.
Product Questions & Answers
Which barriers use SPAMG165A00B?
SPAMG165A00B is commonly listed as a limit switch kit for Nice Apollo MxBAR barrier operators including M3BAR, M5BAR, and M7BAR.
What does the limit switch kit control?
It helps define the open and close travel positions so the barrier arm stops at the proper endpoints.
Is this the same as a control board?
No. This is a limit switch kit, not the XBA3 control unit, transformer, or complete barrier operator.
Can bad limits damage the barrier?
Yes. Incorrect or failed limit control can cause over-travel, poor stopping position, mechanical stress, or fault conditions.
Do limits need adjustment after installation?
Yes. Limit operation should be checked and adjusted after replacement according to the operator setup procedure.
