Main features

For relay contact and SSR drive outputs

Heater break alarm supporting control system where proportioning cycle time of the temperature controller is short (approximately 2 seconds or more).
Supported CT: CTL-6-P-□ , CTL-18S-□
Use of two pairs of CTs enables this device to be used for three phase heater.

Please note that Shop RKC America, our online store, is exclusively available for

customers residing in the United States, Canada, and Mexico.

Main specification

• Input type: Current transformer (CTL-6-P-□, CTL-18S-□)
• Detectable load current: 5A, 10A, 20A, 30A, 100A (depending on CT rating)
• Settable range:

5A : 20 to 100% of rated value of CTL-6-P

10A, 20A, 30A : 50 to 100% of rated value of CTL-6-P

30A, 100A : 50 to 100% of rated value of CTL-18S

• Alarm sensitivity: Alarm is activated ｗhen the current changes by 15% or more of the rated value (full scale) of the CTL.
  ※Changes below 15% may not activate the alarm.
• Alarm output: 2 points, Relay contact, 1a contact
• Supply voltage: 100/110V or 200/220V, (whichever is specified), 50/60Hz
• Power consumption: 1.8VA or less
• Ambient temperature: -10 to 50°C

External dimensions

Units : mm

Models