Current Transformers - Snap-on Load Detectors

API Technologies
Part Number Information
Part #: Price/Availability:
5361 Buy Now
5362 Buy Now
5363 Buy Now
5364 Buy Now
5365 Buy Now
5366 Buy Now
5367 Buy Now
LD-50 Buy Now

API’s high sensitivity series of current transformers has been specifically designed for those applications where a low value of current is to be monitored. A primary winding is supplied (pins 1 & 2) which helps increase the sensitivity of the transformer.


• The revolutionary LD-50 snap-on load detector munts on pre-wired systems without disrupting existing connections
• Broad frequency response: 30Hz to 15 kHz
• Measures currents up to 40 Amps RMS continuous,120 Amps intermittent
• High reliability long lasting magnetic device
• Output linear to within 3% from 2A to 20A of Input
• Excellent for low budget energy management andautomation control
• Available pre-assembled or un-assembled, to snapover existing wiring
• Operating temperature: -55°C to 120°C


• Monitoring relays and lamps
• Hi/Low current limits
• Instrumentation
• Solid state switchgear
• Motor control