Our BDC4 Open Frame Solenoid can be provided as an Equivalent to the BLP42 Series.
42-120-610-540 = BDC4/175/6/100% (6VDC)
42-120-610-620 = BDC4/176/12/100% (12VDC)
42-120-610-720 = BDC4/177/24/100% (24VDC)
Please click for datasheet
Additional voltages and ratings are available, please contact us for further details.