The 43 series solenoid is a very rotund solenoid with its footprint being 47mm x 49mm with a height of 41mm.  This gives the solenoid the capability to produce high force to stroke ratios.  The maximum force is 6kg and the maximum stroke is 21mm.  The solenoid is available in both AC and DC with both push and pull variants that can be supplied with or without a return a spring.