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Catalogue Temperature and Power Controllers catalog

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rmits/Alarr

F.O.B.: Winona, Minnesota

SERIES LF

Specifications Cont. INDUSTRIAL RTD Input

• Calibration accuracy ±1 percent of input accuracy span ±1°at standard conditions and actual calibration ambient

• Temperature stability: ±0.2° per degree change in ambient

Allowable Operating Ranges

• DIN 3440 - Temperature control and limiting devices for heat generating systems

• CSA C22.2#24 approved limit control (applied for)

• FM Class 3545 temperature limit switches (applied for)

• 6.3 mm (0.25 in.) quick connect, push on terminal

Power

• 24V~(ac) +10 percent; -15 percent; 50/60Hz, ±5 percent

• 120V~(ac) +10 percent; -15 percent; 50/60Hz, ±5 percent

• 230 to 240V~(ac) +10 percent; -15 percent; 50/60Hz, ±5 percent

• 10VA maximum power consumption

• Data retention upon power failure via nonvolatile memory

Operating Environment

• 0 to 70°C (32 to 158°F)

• 0 to 90 percent RH, non-condensing

• Storage temperature: -40 to 85°C (-40 to 185°F)

Dimensions

• DIN-rail model can be DIN-rail or chassis mount

DIN-rail spec DIN 50022, 35 mm x 7.5 mm (1.38 in. x 0.30 in.)


Type E:	-200	to	800°C
	(-328	to	1472°F)
Type J:	-210	to	1038°C
	(-346	to	1900°F)
Type K:	-270	to	1370°C
	(-454	to	2500°F)
Type T:	-270	to	400°C
	(-454	to	750°F)
RTD (DIN)	-200	to	800°C
	(-328	to	1472°F)


Style	Width	Height	Depth
Open Board	61.7 mm	61.7 mm	45.1 mm
	(2.43 in.)	(2.43 in.)	(1.78 in.)
Potted	70.1 mm	102.9 mm	46.6 mm
	(2.76 in.)	(4.05 in.)	(1.84 in.)
DIN-rail	78.1 mm	112.3 mm	90.7 mm
	(3.08 in.)	(4.42 in.)	(3.57 in.)
Square ^	72.4 mm	72.4 mm	Behind panel
DIN-panel	(2.85 in.)	(2.85 in.)	51.7 mm
			(2.04 in.)

Output Types

Electromechanical Relay, Form C

• Minimum load current: 100mA

• 8 A @ 240V~(ac) or 30V-(dc) maximum, resistive

• 250VA pilot duty, 120/240V~(ac) maximum, inductive

• Use RC suppression for inductive loads

• Electrical life 100,000 cycles at rated current

External Reset Switch

• Momentary, dry contact closure

Agency Approvals

SERIES LF (potted version only)

• UL®991 recognized temperature limit for cooking industry

• CSA E60730-1, E60730-2-9 approved temperature regulator for cooking industry (applied for)

SERIES LF (including potted version)

•UL^® 873 recognized temperature regulator

• UL®197 reviewed for use in cooking appliances

• ANSI Z21.23 Gas appliance thermostat approval

Ordering Information

To order, complete the model number on the right with the information below.

L F A A A A

SERIES LF = Limit controller with eight amp relay output. Fixed set point, no user interface

Power Supply-

C = 120V~(ac)

E = 230 to 240V~(ac)

G = 24V~(ac)

Package-

1 = Panel mount square %DIN

2 = DIN-rail mount

3 = Open board, non potted

4 = Potted case

Sensor Type and Scale-

H = T/C Type J Fahrenheit (-346 to 1900T) J = T/C Type J Celsius (-210 to 1038°C) K = T/C Type K Fahrenheit (-454 to 2500T) L = T/C Type K Celsius (-270 to 1370°C) M = T/C Type T Fahrenheit (-454 to 750T) N = T/C Type T Celsius (-270 to 400°C) P = RTD Fahrenheit (-328 to 1472T) R = RTD Celsius (-200 to 800°C)

5 = T/C Type E Fahrenheit (-328 to 1470T) T = T/C Type E Celsius (-200 to 800°C)

Limit Type-

U = High limit manual reset W = High limit auto reset Y = Low limit manual reset Z = Low limit auto reset

Fixed Set Point Temperature Value¹-

Overlay/Customs Options-

A = Standard

*A (-) is used in the left most digit of the fixed set point indicates a negative temperature value