ModelRated Current (Ampere)Maximum Current (Ampere)Opening (mm/in)CTT0318-0070A/ 0.333V70A520A31.8/ 1.25CTT0318-00100A/ 0.333V100A520A31.8/ 1.25CTT0318-00150A/ 0.333V150A520A31.8/ 1.25CTT0318-00200A/ 0.333V200A520A31.8/ 1.25CTT0318-00250A/ 0.333V250A520A31.8/ 1.25CTT0318-00300A/ 0.333V300A520A31.8/ 1.25CTT0318-00400A/ 0.333V400A520A31.8/ 1.25 Specifications:>

• Input Frequency: 50/ 60HZ
• Maximum Primary Voltage: 5,000 Vac (Insulated Conductor)
• Secondary Output: 0.333V @ rated current
• Accuracy: ±1% from 10% to 130% of rated current
• Phase Angle: less than 1 degrees at 50% of rated current
• Insulation Voltage: 600 Vac
• Operating temperature: -15ºC to +60ºC
• Construction:
  • Epoxy encapsulated with case housing (ABS Resin UL flame retardant rating 94V-O) or
  • Polyster tape covering.
• Leads: 0.61m (2 ft.), UL 1015 twisted pair, 0.34mm (22AWG)
• RoHS Compliant

Physical Specifications:

Dimension mm (in)
A	B	C	D	F	G	Mounting slot
91.4 (3.60)	30.0 (1.18)	74.9 (2.95)	35.0 (1.38)	78.7 (3.10)	68.6 (2.70)	6.3 (0.25)

Standard Sizes

• CTT0076 standard models – 7.6mm (0.30in) window
• CTT0127 standard models – 12.7mm (0.50in) window
• CTT0150 standard models – 15.0mm (0.59in) window
• CTT0191 standard models – 19.1mm (0.75in) window
• CTT0254 standard models – 25.4mm (1.00in) window
• CTT0318 standard models – 31.8mm (1.25in) window
• CTT0350 standard models – 35.0mm (1.37in) window
• CTT0508 standard models – 50.8mm (2.00in) window