NTTR Series

item NTTR Series

Various transformers
No image available
No image available
Specifications Lightning Protection Transformer
Designed to protect equipment and human safety from abnormal voltages caused by lightning strikes or power line accidents.
Characteristics Impulse Voltage Withstand Capacity: 30KV (1.2 × 50μs)
Surge Transfer Ratio: 1/1000 (-60dB) or Less
Other 3-Phase Enclosed Type
Request a catalog for this product
Specifications
Lightning Resistant Series
Type NSTP NSTR NTTP NTTR
Appearance of installation Built-in type without case Stationary case available Built-in type without case Stationary case available
Number of phases Single Phase Single Phase 3-phase 3-phase
Linear 2-wire 2-wire 3 lines 3 lines
Frequency 50/60Hz 50/60Hz 50/60Hz 50/60Hz
Rated Input Voltage 100~400V (as specified) 100~400V (as specified) 100~400V (as specified) 100~400V (as specified)
Rated Output Voltage 100~400V (as specified) 100~400V (as specified) 100~400V (as specified) 100~400V (as specified)
Output Capacity 500~10KVA 500~10KVA 5~50KVA 5~50KVA
(By designation) (By designation) (By designation) (By designation)
Heat resistance class H H H H
Surge transition rate (balance) -60dB or less -60dB or less -60dB or less -60dB or less
（3KV 1.2×50μS） （3KV 1.2×50μS） （3KV 1.2×50μS） （3KV 1.2×50μS）
Impulse withstand voltage Primary side to secondary side/ground: 30KV (excluding arrester, 1.2 x 50μS) Primary side to secondary side/ground: 30KV (excluding arrester, 1.2 x 50μS) Primary side to secondary side/ground: 30KV (excluding arrester, 1.2 x 50μS) Primary side to secondary side/ground: 30KV (excluding arrester, 1.2 x 50μS)
Efficiency More than 90% below 5KVA More than 90% below 5KVA More than 90% below 5KVA More than 90% below 5KVA
5KVA or more, 95% or more 5KVA or more, 95% or more 5KVA or more, 95% or more 5KVA or more, 95% or more
Insulation resistance 100MΩ or more at DC1000V megger 100MΩ or more at DC1000V megger 100MΩ or more at DC1000V megger 100MΩ or more at DC1000V megger
Dielectric strength Primary side to secondary side/ground AC1000V (excluding arrester, 1 minute) Primary side to secondary side/ground AC1000V (excluding arrester, 1 minute) Primary side to secondary side/ground AC1000V (excluding arrester, 1 minute) Primary side to secondary side/ground AC1000V (excluding arrester, 1 minute)
Request a catalog for this product
Product Specifications
NTTR Series Specifications
Lightning Resistant Series
Type NSTP NSTR NTTP NTTR
Appearance of installation Built-in type without case Stationary case available Built-in type without case Stationary case available
Number of phases Single Phase Single Phase 3-phase 3-phase
Linear 2-wire 2-wire 3 lines 3 lines
Frequency 50/60Hz 50/60Hz 50/60Hz 50/60Hz
Rated Input Voltage 100~400V (as specified) 100~400V (as specified) 100~400V (as specified) 100~400V (as specified)
Rated Output Voltage 100~400V (as specified) 100~400V (as specified) 100~400V (as specified) 100~400V (as specified)
Output Capacity 500~10KVA 500~10KVA 5~50KVA 5~50KVA
(By designation) (By designation) (By designation) (By designation)
Heat resistance class H H H H
Surge transition rate (balance) -60dB or less -60dB or less -60dB or less -60dB or less
（3KV 1.2×50μS） （3KV 1.2×50μS） （3KV 1.2×50μS） （3KV 1.2×50μS）
Impulse withstand voltage Primary side to secondary side/ground: 30KV (excluding arrester, 1.2 x 50μS) Primary side to secondary side/ground: 30KV (excluding arrester, 1.2 x 50μS) Primary side to secondary side/ground: 30KV (excluding arrester, 1.2 x 50μS) Primary side to secondary side/ground: 30KV (excluding arrester, 1.2 x 50μS)
Efficiency More than 90% below 5KVA More than 90% below 5KVA More than 90% below 5KVA More than 90% below 5KVA
5KVA or more, 95% or more 5KVA or more, 95% or more 5KVA or more, 95% or more 5KVA or more, 95% or more
Insulation resistance 100MΩ or more at DC1000V megger 100MΩ or more at DC1000V megger 100MΩ or more at DC1000V megger 100MΩ or more at DC1000V megger
Dielectric strength Primary side to secondary side/ground AC1000V (excluding arrester, 1 minute) Primary side to secondary side/ground AC1000V (excluding arrester, 1 minute) Primary side to secondary side/ground AC1000V (excluding arrester, 1 minute) Primary side to secondary side/ground AC1000V (excluding arrester, 1 minute)
NTTR type 3 phase Stand-alone type Cased
Model Output capacity KVA Body dimensions Mass Kｇ   Body dimensions Mass (kg)
(W×D×H)ｍｍ
NTTR-5K 5K 550×450×600 110 420×500×349 65
NTTR-10K 10K 600×500×750 150    
NTTR-15K 15K 600×500×750 170    
NTTR-20K 20K 600×500×750 190    
NTTR-30K 30K 650×550×800 240    
NTTR-50K 50K 700×600×800 320    
< Back to list
page top
CONTACT