- Lids
- Bottoms
- Compactor Parts
- Commercial Dumpster Parts
- Roll-Off Container Parts
- Refuse Body Truck/Roll-off Hoist Parts
- Lids
- Bottoms
- Compactor Parts
- Commercial Dumpster Parts
- Roll-Off Container Parts
- Refuse Body Truck/Roll-off Hoist Parts
- Lids
- Bottoms
-
Compactor Parts
Power UnitsElectrical PartsLimit/Safety/Photo/Press. SwitchesButtons/Switches/Keys/LegendsHydraulic PartsCylinders30 MMPanels And ControlsMotorsMotor Starters / Transformers / FusesAccessories Electrical30 MM Key Switch30 MM Selector Switch30 MM Push Only Switch30 MM Legends30 MM Contact Blocks30 MM Replacement Keys22.5 MMMarathon CylindersWQ-Galbreath CylindersPTR cylindersJV Cram-A-Lot CylindersOther MFG CylindersCylinder AccessoriesOther Compactor Parts
- Commercial Dumpster Parts
- Roll-Off Container Parts
-
Refuse Body Truck/Roll-off Hoist Parts
Heil Replacement PartsMcNeilus Replacement PartsTarp Systems & PartsRoll-Off Truck Hoist/Hook Hoist PartsRoll-off Truck / Hook Hoist PartsCarry Can Replacement PartsCables & StrapsRollers & AccessoriesSheave Pulleys & PinsHoist CylindersContainer Securement System & PartsOther Roll-off Truck / Hook Hoist PartsRoll Off Hydraulics,Filters,& PneumaticsRoll-Off ElectricalCarry Can Replacement CylindersCarry Can Body Replacement PartsCarry Can Grabber Beam PartsCarry Can Slide Assembly PartsCarry Can Hydraulics & PneumaticsCarry Can Hinge Replacement PartsOther Manufacturer Replacement Parts
AB 22MM CONTACT BLOCK NORMALLY OPEN
AB 22MM CONTACT BLOCK NORMALLY CLOSED
POWER UNIT, PLC 3 PH 10 HP 12 GPM W/15' CNTRLS
Part # : A.PUX.LC.3.10
4/36/2.5R/31.25 COMPACTOR CYL. (BY PASS)
Part # : C.CYL.436.BP
5/50/2.5R/42 COMPACT. CYL (BY-PASS)
Part # : C.CYL.550.BP
AB 30MM CYLINDER LOCK PUSH BUTTON (KEY SWITCH) WITH GUARDED BEZEL WITH 2 NO
Part # : C.AB30.NX970
1.25" PIN FOR COMP. CYL - UNIVERSAL ADJ. (with COLLAR, SCREW & NUT)
Part # : C.CYL.PIN.9
22.5mm Contact Blocks for Push Buttons & Switches
Replacement 22.5mm contact blocks for industrial trash compactor push buttons and switches — snap-in 1-NO, 1-NC, 2-NO, 2-NC, and 1-NO/1-NC configurations. Compatible with Allen Bradley 800F switches.
What this page covers
Contact blocks are the electrical workhorses behind a 22.5mm button or switch — they open and close the actual control circuit when the operator presses or turns the panel hardware. Most 22.5mm buttons accept 1-2 contact blocks stacked behind them.
PRT stocks the standard 22.5mm contact block configurations in OEM-equivalent electrical specs.
How to choose
Match by configuration (1-NO, 1-NC, 2-NO, 2-NC, 1-NO/1-NC), electrical rating (10A at 240V AC standard), and snap-in compatibility with the button or switch body.
Stock spare contact blocks — they're the most-replaced electrical component on any compactor panel.
In stock options
- 1-NO (Normally Open)Single NO contact for cycle-start circuits.
- 1-NC (Normally Closed)Single NC contact for cycle-stop circuits.
- 2-NO (2 × Normally Open)Two NO contacts in one block.
- 2-NC (2 × Normally Closed)Two NC contacts for safety circuits.
- 1-NO/1-NC (Combination)One of each for complex logic.
Frequently asked questions
Are 22.5mm contact blocks brand-interchangeable?
No, contact blocks are not interchangeable between brands. An Allen Bradley key switch will only fit Allen Bradley contact blocks.
How many contact blocks can mount behind one 22.5mm button?
Most buttons accept up to 2 contact blocks.
What's the electrical rating of a 22.5mm contact block?
Standard is 10A up to 600V AC. Heavy-duty rated blocks go higher for direct motor switching.
How do I diagnose a failed 22.5mm contact block?
Multimeter continuity check — verify the contact opens and closes cleanly when actuated. Pitting or arc damage requires replacement.