MODEL: ALAC

ALAC SPECIFICATIONS

ES-2736 Rev.9 Page 1/4

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

Limit Alarms (rotary switch adj.) AL-UNIT

AC ALARM

Functions & Features

• Providing SPDT relay outputs at preset AC current/voltage

levels

• True RMS sensing

• Dual (Hi/Lo) trip

• Energized or de-energized coil at a tripped

condition selectable

• Rotary switch setpoint adjustments

• Enclosed relays

• Relays can be powered 110 V DC

• High-density mounting

Typical Applications

• Annunciator

• Various alarm applications

50

(1.97)

132

(5.20)

80

(3.15)

mm (inch)

6 7 8

6 7 8

6 7 8

6 7 8

MODEL: ALAC-[1][2][3]-[4][5]

ORDERING INFORMATION

• Code number: ALAC-[1][2][3]-[4][5]

Specify a code from below for each of [1] through [5].

(e.g. ALAC-AA11-B/Q)

• Special input range (For codes AZ & A8)

• Specify the specification for option code /Q

(e.g. /C01/S01)

[1] INPUT

Current

AA: 0 – 10 mA AC (Input resistance 100 Ω)

AB: 0 – 50 mA AC (Input resistance 20 Ω)

AC: 0 – 100 mA AC (Input resistance 10 Ω)

AD: 0 – 500 mA AC (Input resistance 1 Ω)

AZ: Specify current (See INPUT SPECIFICATIONS)

(0 % input must be 0 mA.)

Voltage

A1: 0 – 100 mV AC (Input resistance 100 kΩ min.)

A2: 0 – 500 mV AC (Input resistance 100 kΩ min.)

A3: 0 – 1 V AC (Input resistance 100 kΩ min.)

A4: 0 – 5 V AC (Input resistance 100 kΩ min.)

A5: 0 – 10 V AC (Input resistance 100 kΩ min.)

A6: 0 – 120 V AC (Input resistance 100 kΩ min.)

A7: 0 – 150 V AC (Input resistance 100 kΩ min.)

A8: Specify voltage (See INPUT SPECIFICATIONS)

(0 % input must be 0 V.)

[2] SETPOINT 1 OUTPUT

1: Hi (coil energized at alarm)

2: Hi (coil de-energized at alarm)

3: Lo (coil energized at alarm)

4: Lo (coil de-energized at alarm)

[3] SETPOINT 2 OUTPUT

1: Hi (coil energized at alarm)

2: Hi (coil de-energized at alarm)

3: Lo (coil energized at alarm)

4: Lo (coil de-energized at alarm)

[4] POWER INPUT

AC Power

B: 100 V AC

C: 110 V AC

D: 115 V AC

F: 120 V AC

G: 200 V AC

H: 220 V AC

J: 240 V AC

DC Power

S: 12 V DC

R: 24 V DC

V: 48 V DC

P: 110 V DC

[5] OPTIONS

blank: none

/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)

COATING (For the detail, refer to M-System's web site.)

/C01: Silicone coating

/C02: Polyurethane coating

/C03: Rubber coating

TERMINAL SCREW MATERIAL

/S01: Stainless steel

GENERAL SPECIFICATIONS

Construction: Plug-in

Connection: M3.5 screw terminals