MODEL: 53U

53U SPECIFICATIONS

ES-6485 Rev.26 Page 5/9

https://www.m-system.co.jp/

TERMINAL CONNECTIONS

For UL approved model, L and N are marked, instead of U(+) and V(-).

DO/PO

+ –

DI

V1 V2 V3 N 1S 1L 2S 2L 3S 3L

U

(+)

V

(–)

CONFIG

V1 N V2 1S 1L 2S 2L

L1

source

load

N

L2

u

v

v

u

U

V

V

U

k

l

K

L k

l

K

L

V1 N V2 1S 1L 2S 2L

L1

source

load

N

L2

k

l

K

L k

l

K

L

V1 N V2 1S 1L 2S 2L

L1

source

load

N

L2

V1 V2 V3 1S 1L

L1

source

load

L2

L3

u

v

v

u

U

V

V

U

k

l

K

L

V1 V2 V3 1S 1L

L1

source

load

L2

L3

V1 V2 V3 1S 1L 3S 3L

L1

source

load

L2

L3

u

v

v

u

U

V

V

U

k

l

K

L k

l

K

L

V1 V2 V3 1S 1L 3S 3L

L1

source

load

L2

L3

k

l

K

L k

l

K

L

V1 V2 V3 1S 1L 3S 3L

L1

source

load

L2

L3

k

l

K

L

V1 V2 V3 1S 1L

L1

source

load

L2

L3

V1 N

1S 1L

L1

source

load

N

k

l

K

L

u

v

U

V

V1 N

1S 1L

L1

source

load

N

k

l

K

L

V1 N

1S 1L

L1

source

load

N

System /

Application

Single phase /

2-wire

Three phase /

3-wire,

balanced load

Single phase /

3-wire

Terminal

1S 1L

3S 3L

L1

source

load

L2

L3

k

l

V1

u v

U V

V2

u v

U V

V3

u v

U V

N

K

L

k

l

K

L

V1

V2

V3

1S 1L

3S 3L

N

L1

source

load

L2

L3

k

l

K

L

k

l

K

L

2S 2L

k

l

K

L

V1

V2

V3

1S 1L

3S 3L

N

2S 2L

L1

source

load

L2

L3

N

N

N

2S 2L

k

l

K

L

V1 N

1S 1L

L1

source

load

L2

k

l

K

L

u

v

U

V

V1 N

1S 1L

L1

source

load

L2

L3

N

k

l

K

L

V1 N

1S 1L

L1

source

load

L2

L3

L3

N

N

System /

Application

Three phase /

4-wire,

balanced load

Three phase /

3-wire,

unbalanced load

Three phase /

4-wire,

unbalanced load

Terminal

Configurator Jack

External Interface

Input

Auxiliary Power

Supply

Note: For low voltage circuit, grounding is not required.