Knowledge Base › Current Transformers (CT)

Carlo Gavazzi CTA5X250A5A

Official manufacturer GLOBAL verified Sept. 25, 2026

Identity

category	current_transformers
manufacturer	Carlo Gavazzi
model	CTA5X250A5A
product_status	active
region	GLOBAL
variant	—

Electrical

accuracy_class	1 disputed CTA5X250A5A - Split core Current sensor 250A. Output: 5A
aperture_mm	24 CTA5X250A5A - Split core Current sensor 250A. Output: 5A
bidirectional	True
burden_va	1
conductor_size_mm	24 mm hole diameter Accessories AC Split-Core Current Transformer Type CTA (CTA_DS_ENG)
ct_type	split_core CTA5X250A5A - Split core Current sensor 250A. Output: 5A
dielectric_test_voltage	3 kV ac for 1 min Accessories AC Split-Core Current Transformer Type CTA (CTA_DS_ENG)
frequency_hz	50/60 Accessories AC Split-Core Current Transformer Type CTA (CTA_DS_ENG)
housing_material	PA66
insulation_class	Thermal class B (IEC 60085) Accessories AC Split-Core Current Transformer Type CTA (CTA_DS_ENG)
insulation_voltage_v	0.72 kV ac rated insulation level; dielectric strength 3 kV ac for 1 min
lead_length_m	1
max_current_a	250.0
measurement_type	Current Transformer (CT)
phase_count	1
primary_current_a	250 CTA5X250A5A - Split core Current sensor 250A. Output: 5A
rated_burden_va	1 VA Accessories AC Split-Core Current Transformer Type CTA (CTA_DS_ENG)
rated_insulation_voltage_v	720 Accessories AC Split-Core Current Transformer Type CTA (CTA_DS_ENG)
rated_system_voltage_v	600 ac
ratio	250/5 A CTA5X250A5A - Split core Current sensor 250A. Output: 5A
secondary_cable_length	1 m Accessories AC Split-Core Current Transformer Type CTA (CTA_DS_ENG)
secondary_current_a	5 CTA5X250A5A - Split core Current sensor 250A. Output: 5A
secondary_lead_type	UL R/C cable, 16 AWG (1.3 mm2)
secondary_output	5
short_time_current_rating	Ith = 12 x In; Idyn = 2.5 x Ith
voltage_rating_v	230.0
window_diameter_mm	24

Physical / mechanical

dimensions_mm	52.5 x 45.2 x 23.9
mounting	DIN-rail
weight_kg	0.165

Environment

ip_rating	IP20 Accessories AC Split-Core Current Transformer Type CTA (CTA_DS_ENG)
operating_temperature_max_c	65 Accessories AC Split-Core Current Transformer Type CTA (CTA_DS_ENG)
operating_temperature_min_c	-20 Accessories AC Split-Core Current Transformer Type CTA (CTA_DS_ENG)
operating_temperature_range_c	-20 to +65
storage_temperature_range_c	-25 to +80

Interfaces & connectors

communication

RS485 Modbus RTU

Protection

protection_degree_ip

IP20

Certifications

certifications	EN 61869-2
standards	['EN 61869-2'] Accessories AC Split-Core Current Transformer Type CTA (CTA_DS_ENG)

Documents

certificate CE Declaration BL24610016 CTA(5 6)X

datasheet Accessories AC Split-Core Current Transformer Type CTA (CTA_DS_ENG)

installation_manual CTA series installation manual (EN)

product_page CTA5X250A5A - Split core Current sensor 250A. Output: 5A

Recorded conflicts

electrical.accuracy_class Review required

1 — stored value

Class 1 — incoming package

Detected during import deep-enrich-pass2-2026-09-batch11

Additional documented parameters

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

builder_completeness	complete
region_notes	Carlo Gavazzi publishes one English datasheet and one global product page per order code; no market-specific electrical variant.

Build a system with this product