Twin mini magnets offers a very good compromise between size and holding power and are ideal for smaller and normal sized standard double-winged doors.

MGLD 3000 flat electric magnets are most sutiable for locking two-leaf doors.

Surface mounting versions.
Standard, with reed sensor only, with hall sensor only, or combined models.
2 x 272, 544 kg holding power.
12/24V DC changeable operation (12V DC factory setting).

Fail unlocked operation. Locked under voltage, opens without it.