Continental Control Systems CTBL-4.0x4.0-0800

Official manufacturer US verified Sept. 25, 2026

category	current_transformers
manufacturer	Continental Control Systems
model	CTBL-4.0x4.0-0800
product_status	active
region	US
variant	—

accuracy_class	+/-1.5% (10-100%) CTBL Large Split-Core CT
accuracy_percent	1.5 CTBL Data Sheet (2017-12-07)
aperture_in	[4.0, 4.0] CTBL Data Sheet (2017-12-07)
aperture_mm	[102, 102] CTBL Data Sheet (2017-12-07)
aperture_size	4.0" x 4.0" CTBL Large Split-Core CT
bidirectional	True
cable_gauge_awg	18 CTBL Data Sheet (2017-12-07)
cable_length_m	2.4 CTBL Data Sheet (2017-12-07)
core_material	silicon-iron CTBL Data Sheet (2017-12-07)
ct_type	split_core CTBL Large Split-Core CT
frequency_hz	[50, 60] CTBL Data Sheet (2017-12-07)
max_continuous_primary_current_a	800 CTBL Data Sheet (2017-12-07)
max_current_a	100.0
measurement_type	Current Transformer (CT)
operating_humidity_percent_rh	[0, 95] CTBL Data Sheet (2017-12-07)
output_voltage_vac	0.33333 CTBL Data Sheet (2017-12-07)
phase_angle_deg	[0.0, 1.5] CTBL Data Sheet (2017-12-07)
phase_count	1
primary_current_a	800 CTBL Large Split-Core CT
rated_insulation_voltage_v	600 CTBL Large Split-Core CT
secondary_voltage_mv	333 CTBL Large Split-Core CT
split_core	True CTBL Large Split-Core CT
voltage_rating_v	230.0

dimensions_mm

{'overall_length': 158, 'overall_width': 168, 'overall_thickness': 29.0}

CTBL Data Sheet (2017-12-07)

operating_temperature_max_c	70 CTBL Data Sheet (2017-12-07)
operating_temperature_min_c	-40 CTBL Data Sheet (2017-12-07)

certifications

['UL 2808 listed, XOBA', 'CE']

CTBL Data Sheet (2017-12-07)

datasheet CTBL Data Sheet (2017-12-07)

datasheet CTBL Large Split-Core Brochure

installation_manual CTBL installation instructions

product_page CTBL Large Split-Core CT

Recorded verbatim from the source; no schema field exists for these yet.

builder_completeness	partial
region_notes	US manufacturer (Boulder, Colorado); one 600 Vac data sheet, no regional edition.