IMO Enclosed DC Switch IP66, 32A 600VDC 8 Pole

IMO Enclosed DC Switch IP66, 32A 600VDC 8 PoleTRUE DC Isolators for PV Systems IMO DC Solar Isolator Market leading design 2, 4, 6 & 8 pole versions available Max. rated current 85A@1000VDC (acc. to DC21B DC PV1 for SI55) Range of mounting options Guaranteed arc suppression (3ms typical) Operator independent switching mechanism Knife edge contacts Why use an IMO DC Solar Isolator? IMO Precision Controls offers a range of True DC Isolators specifically designed for use in Solar PV installations in

TRUE DC Isolators for PV Systems

IMO DC Solar Isolator Market-leading design 2, 4, 6 & 8 pole versions available Max. rated current 85A@1000VDC (acc. to DC21B/DC-PV1 for SI55) Range of mounting options Guaranteed arc suppression (3ms typical) Operator independent switching mechanism Knife-edge contacts

Why use an IMO DC Solar Isolator?

IMO Precision Controls offers a range of True DC Isolators specifically designed for use in Solar PV installations in accordance with EN 60364-7-712. The IMO design incorporates a user independent switching action so as the handle is moved it interacts with a spring mechanism which, upon reaching a set point, causes the contacts to “SNAP” over thereby ensuring a very fast break/make action.

This mechanism means that the disconnection of the load circuits and suppression of the arc, produced by a constant DC load, is normally extinguished in 3ms using the specific pole suppression chambers incorporated within the design. The IMO Solar Isolator range is offered in a number of configurations all rated for installation and use as switch-disconnects and all with options allowing for “LOCKABLE OFF” operation. Although able to offer the industry standard two position 90° handle operation from LOCKABLE OFF-ON, IMO have also introduced a SAFE-LOCK patented handle that allows for three rotational positions relating to ON-OFF-LOCK.

The facility offered by this design gives a LOCK position that is removed from the OFF setting ensuring the handle can be placed in its own unique position when locked, which is fully compliant with IEC 60947-1 section 8.2.5.2.1 for classification as an isolator or switch disconnector.

When this design is used within the IMO enclosed Solar Isolators it ensures that engineering access can only be attained to the enclosure when the handle is in the OFF position; whilst the “LOCK” position ensures secure power isolation combined with non-access to the enclosure (when the isolator block is secured with supplied screws) and thereby significantly reducing the risks of tampering when maintenance/repair is carried out on equipment in-line after the isolator, SAFE-LOCK. Once any work has been undertaken the locking mechanism can then be removed and the isolator returned to its normal operational mode.

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