For (≤) 600-voltage power systems, these ABS-encapsulated window-type current transformers are suited to electric engineering applications and distribution switchgears. Each contains a high-quality coil and an annealed oriented core.
EOS-RN / EOS-RM Series
Current transformers with a Primary Current of 100A~3200A. Burden & Accuracy: 15～30VA/1.0CL. Wiring with insulated wire or a busbar on the primary side. Alternative billing-purpose usage. Many window sizes.
1 core. Rectangular, low-voltage, resin-insulated current transformers for switchgear-panel makers et al. Used with meters. Wiring through a busbar. To be mounted on a busbar or fixed to a switchgear panel.
2 cores. Rectangular, low-voltage, resin-insulated current transformers for switchgear-panel makers et al. For protection or meters. Wiring through a busbar. Mounting on a busbar or fixed to a switchgear panel.
Split-core, rectangular, low-voltage, resin-insulated protective current transformers for switchgear-panel makers et al. Installing onto an existing power system with ease.
For the need of a higher current ratio and accuracy. A greater window diameter facilitates installation and wiring in a high-current application. Multi-ratio models available. Araldite® epoxy.
EO1M6, EO1M20, EO1M150
These epoxy-cast multi-ratio bushing current transformers (BCTs, or bushing CTs) are typically installed in 23 kV C-GIS (cubicle-type gas-insulated switchgear) for use with measuring or monitoring instruments, or protective relays.
Designed to protect an ungrounded system against leakage and earth faults, these zero-phase current transformers (ZCT) feature an epoxy-cast coil fixed by two metal frames. Window size: 60, 90, 105, 120, or 180 m/mψ.
These are zero-phase current transformers (ZCT) often used with a grounded system for zero-phase current detection and ground-fault protection. Choices of window diameters, current ratios, burdens, and accuracies. Multi-ratio models available. Araldite® epoxy.
Low-Voltage Current Transformers / Extended Range Current Transformers (ERCTs) for Billing, Window-Type
For ≤ 600V power systems, these current transformers offer a 0.3 Metering Class accuracy. ERCT specifications also available. Secondary side includes a short-circuiting device. Terminal cover sealable. Various window diameters and current ratios.
Suited to power transmission and distribution systems and intended to work with measuring or monitoring instruments, or with protective relays, these bushing CTs (BCTs) can also be used with GIS or in conjunction with power transformers bushings. Insulation tape or epoxy resin as insulation material.
Intended for the main panel or the motor control panel of a 3.6/7.2 kV power system and designed to be used with measuring or monitoring instruments, or with protective relays. Each CT has a busbar terminal. Insulated with Araldite® epoxy resin.
2-core & single-core models. Indoor window-type current transformers for the main panel or motor control panel of a MV (≦ 3.6 kV) power system. Good for protection and appropriate for measuring and monitoring instruments. Araldite® epoxy resin.
2-core current transformers designed for 12kV (max.) power systems for use with measuring (or monitoring) instruments and protective relays, these products are cast in Araldite® epoxy and meet the requirements of all major electrical standards.
Single-core and 2-core indoor window-type current transformers for power systems ≦ 15kV. Primary current: 500~3000A (single-ratio or multi-ratio). Araldite® epoxy resin. Used with measuring or monitoring instruments, or for protection.
EWF-20DA, EWF-20DB, EWF-20DD, EWF-20DE, EWF-20DS
For use in conjunction with energy meters or protective relays. Available in single-core, 2-core, and 3-core models. Insulated with Araldite® epoxy resin. Custom-made to meet various requirements.
Current transformers for installation in a switchgear panel of a 25kV (max.) power system and to be used with measuring or monitoring instruments, or protective relays. These are economic models suited to locations of high humidity or moderate pollution. The insulation material for the core and the secondary coil is Araldite® epoxy resin.
Multi-ratio bushing current transformers (bushing CTs, or BCTs) designed for 24kV draw-out circuit breakers and to be used with measuring (or monitoring) instruments or protective relays. IEEE 0.3 B-0.9. Cast in Araldite® epoxy.
Current Transformers / Extended Range Current Transformers (ERCTs) for Billing, 10~30kV Outdoor Type
Used for power monitoring or as part of a MOF (Metering Outfit) for a 12~36kV power system, these outdoor CTs for billing are insulated with Araldite® UV-resistant cycloaliphatic epoxy. Accuracy 0.15S~0.3; burden B-0.5. Available as Extended Range Current Transformers (ERCTs) if requested.
Suited to ≤ 36kV power systems, these multi-ratio current transformers are available in 2-core and 3-core options. Insulated with Araldite® epoxy and intended to work with measuring or monitoring instruments, or with protective relays.
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