Model : RCH1211
Hollow plunger design allows for both pull and push forces
Single-acting spring return
Nickel-plated, floating center tube on models over 20 tons increases product life
Baked enamel finish for increased corrosion resistance
Collar threads for easy fixturing
Has FZ1630 reducer and AR630 coupler
ABB Air Circuit Breaker 1SDA114040R1 
