Detail Earth Leakage Breakers Hitachi
1.
Earth Leakage Breakers : E Series
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EB-50E, EB-100E, EX30, EX50, EX50B, EX50C, EX100, EX100B
EX225, EXK225, EX400, EX400B, EX600B, EX800B
2.
Earth Leakage Breakers : R Series
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RXK125-S, RXK125-H, RX100, RXK250-S, RXK250-H, RG-225BN, RG-225BH
RX400, RX400B, RG-400BN, RG-400BH, RX600B, RF-600FN
RX800B, RF-800KN, RF-1000KN, RF-1000CBN, RF-1200KN, RF-1200CBN
3.
Earth Leakage Breakers : Z Series
Function Standard type
High Speed Type Time Delay Type Automatic reset type Latched Type Relay: Automatic Reset
Lamp: Latched
Type-Form R-NZB R-NZBT R-NZBK R-NZBL R-NZBR
Rated Voltage ( AC, V) 100, 200, 240, 380, 415
Frequency ( Hz) 50, 60
Rated Sensitivity Current ( mA) 50 / 100 / 200 / 500 / 1000 ( 1) ( 30) 100 / 200 / 500 /
1000 / 2000 ( 1) 50 / 100 / 200 / 500 / 1000 ( 1) ( 30) 100 / 200 / 500 / 1000 / 2000 ( 1)
Operating Time ( sec.) 0.1 or less 0.3
( 0.2 / 0.5 / 2 / 4 ( 1) ) 0.1 or less
0.3 0.3
( 0.2 / 0.5 / 2 / 4 ( 1) )
Alarm Contact 1c + 1a
Dimensions ( mm) Dimensions a 80
b 80
c 115
Weight ( kg) 0.45
Note
* 1
Interchangeable by manual operation.
* 2
Rating with ( ) are manufactured by customer' s order.
* 3
Rated Voltage Applicable Circuit Voltage Remarks
100V 100 - 110V Interchangealbe by tap changing
200V 200 - 220V
240V 230 - 240V
380V 380V
415V 400• 415• 440• 460V ( 60Hz)
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ZCT WITH PRIMARY CONDUCTORS
TYPE Z-400B Z-600B Z-800B Z-1000B Z-1200B Z-2000B
Number of Poles 3 4 3 4 3 4 3 4 3 4 3 4
Continuous Thermal Current ( A) 400 600 800 1000 1200 2000
Rated Voltage ( AC, V) 600
Frequency ( Hz) 50, 60
Rated withstandard Current ( kA) 100 ( peak value) 150 ( peak value)
Rated Sensitivity Current Refer to Earth Leakage Relays
Operating time ( sec.) Ditto
DimensionsDimensions A 220 315 220 315 240 320 240 320 240 320 310 380
B 348 348 348 348 380 380 380 380 380 380 300 300
B1 400 400 460 460 480 480 480 480 480 480 600 600
C 187 214 187 214 214 239 214 239 214 239 242 284
Weight ( kg) 11 15 11.2 16 12.3 17 12.3 17 13 18 30 42
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ZERO-PHASE-SEQUENCE CURRENT TRANSFORMER
TYPE Aperture Diameter Maximum Available Wire Size
Vinyl-insulated
600V Wire ( IV) Polyethylene-insulated
600V Wire ( CV)
2-wire 3-wire 4-wire 2-wire 3-wire 4-wire
ZR-15 Æ 15 14 mm2
( 88A) 8 mm2
( 61A) 8 mm2
( 61A) 2 mm2
( 33A) 2 mm2
( 33A) —
ZR-30B Æ 30 60 mm2
( 217A) 50 mm2
( 190A) 38 mm2
( 162A) 38 mm2
( 190A) 22 mm2
( 135A) 14 mm2
( 105A)
ZR-58B Æ 58 250 mm2
( 556A) 200 mm2
( 469A) 150 mm2
( 395A) 200 mm2
( 560A) 150 mm2
( 480A) 100 mm2
( 365A)
ZR-65 Æ 65 325 mm2
( 650A) 250 mm2
( 556A) 200 mm2
( 469A) 250 mm2
( 655A) 200 mm2
( 560A) 150 mm2
( 480A)
ZR-80 Æ 80 500 mm2
( 842A) 500 mm2
( 842A) 325 mm2
( 650A) 400 mm2
( 870A) 325 mm2
( 760A) 250 mm2
( 655A)
ZR-100 Æ 100 500 mm2× 4
( 1, 684A) 400 mm2× 6
( 1, 490A) 500 mm2
( 842A) 600 mm2
( 1, 140A) 600 mm2
( 1, 140A) 400 mm2
( 870A)
ZR-120 Æ 120 — 325 mm2× 9
( 1, 950A) 400 mm2× 8
( 1, 490A) 1, 000 mm2
( 1, 600A) 800 mm2
( 1, 370A) 600 mm2
( 1, 140A)
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