MODEL: 18AT

18AT SPECIFICATIONS

ES-1762 Rev.5 Page 2/4

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

S: Min. Span 380°C, 690°F

N: Min. Span 110°C, 200°F

OUTPUT SPECIFICATIONS

Output: Enclosed SPST and SPDT relays

Rating: 120 V AC @ 1 A (cos ø = 1)

30 V DC @ 1 A (resistive load)

0.2 A maximum for the connector output

Maximum switching voltage: 120 V AC or 30 V DC

Max. switching power: 120 VA or 30 W (24 VA or 6 W for the

connector output)

Minimum load: 5 V DC @ 10m A

5 – 6

5 – 7

F

F

O

N

O

d

e

z

i

g

r

e

n

E

De-energized (or power OFF)

OFF

ON

ALARM

OUTPUT

CODE

POWER ON

POWER OFF

IN < SET

IN > SET

1

OFF

ON

OFF

2

OFF

ON

ON

3

ON

OFF

OFF

4

ON

OFF

ON

• Single Alarm

Front terminals

Rear connector

ALARM

OUTPUT

CODE

POWER ON

POWER OFF

IN < SET

IN > SET

5 – 6

7 – 8

5 – 6

7 – 8

5 – 6

7 – 8

5

ON

OFF

OFF

ON

OFF

OFF

6

OFF

ON

ON

OFF

OFF

OFF

Shades indicates that the relay is energized.

• Dual Alarm (front terminals)

INSTALLATION

Current consumption: Approx. 80 mA

Operating temperature: -5 to +55°C (23 to 131°F)

Operating humidity: 30 to 90 %RH (non-condensing)

Mounting: Standard Rack 18BXx or 18KBXx

Weight: 150 g (0.33 lb)

PERFORMANCE in percentage of span

Trip point repeatability: ±0.1 %

Cold junction compensation error

(at 20°C ±10°C or 68°F ±18°F)

K, E, J, T, N: ±0.5°C or ±0.9°F

S, R, PR: ±1°C or ±1.8°F

Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)

(at over 400°C or 750°F for R, S and PR; over 770°C or

1420°F for B)

Response time: ≤ 0.5 sec. (0 – 100 % at 90 % setpoint)

Burnout response: ≤ 10 sec.

Line voltage effect: ±0.1 % over voltage range

Insulation resistance: ≥ 100 MΩ with 500 V DC

Dielectric strength: 1500 V AC @ 1 minute

(input to output or power)

500 V AC @ 1 minute (output to power)

1500 V AC @ 1 minute (input or output or power to ground)