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Integrated PID Controller

K - Output 2: 0.5A SSR

B - Output 2: 0.5A SSR; 2 digital I/O (+$51.00)

P - Output 2: 0.5A SSR; Current measurement (+$100.00)

E - Output 2: 0.5A SSR; 2 digital I/O; Current measurement (+$164.00)

H - 5A mechanical relay (+$11.00)

D - 5A mechanical relay; 2 digital I/O (+$62.00)

J - 5A mechanical relay; Current measurement (+$124.00)

C - 5A mechanical relay; 2 digital I/O; Current measurement (+$175.00)

Output 1 is dedicated to providing the command signal to the internal SSR.

Integrated Limit Controller

A - None

L - Limit ctrl mod:Output 3:5A Form C mech relay;Output 4:2A Form A mech relay (+$204.00)

B - No limit ctrl mod, but access to coil on mech contactor (+$53.00)

Mechanical Contactor and Power Supply Options

-AH - No contactor and univ. high volt. power sup. 100-240V (ac/dc)

-AL - No contactor and universal low voltage supp. 24-28V (ac/dc) (+$53.00)

-B1 - Single pole, 40A Watlow contactor, 24V (ac) power supply (+$118.00)

-B2 - Single pole, 40A Watlow contactor, 110/120V (ac) power supply (+$92.00)

-B3 - Single pole, 40A Watlow contactor, 208/240V (ac) power supply (+$92.00)

-F1 - Dual pole, 40A Watlow contactor, 24V (ac) power supply (+$118.00)

-F2 - Dual pole, 40 A Watlow contactor, 110/120V (ac) power supply (+$92.00)

-F3 - Dual pole, 40A Watlow contactor, 208/240V (ac) power supply (+$92.00)

Communications

A - Standard Bus connects to Watlow PC software, Remote User Interface,EZ-ZONE

M - Modbus RTU(to comm. to 3rd party devices) and Standard Bus. User selectable (+$113.00)

SSR

B - Zero Cross 10A (24 to 240VAC ouput)

C - Zero Cross 25A (24 to 240VAC ouput) (+$6.00)

D - Zero Cross 40A (24 to 240VAC ouput) (+$33.00)

E - Zero Cross 50A (24 to 240VAC ouput) (+$37.00)

K - Zero Cross 75A (24 to 240VAC ouput) (+$72.00)

F - Zero Cross 90A (24 to 240VAC ouput) (+$105.00)

G - Zero Cross 25A (48 to 600VAC ouput) (+$51.00)

H - Zero Cross 40A (48 to 600VAC ouput) (+$83.00)

L - Zero Cross 75A (48 to 600VAC ouput) (+$105.00)

J - Zero Cross 90A (48 to 600VAC ouput) (+$121.00)

M - Phase Angle 25A (100 to 240VAC ouput) (+$230.00)

N - Phase Angle 40A (100 to 240VAC ouput) (+$254.00)

P - Phase Angle 75A (100 to 240VAC ouput) (+$290.00)

R - Phase Angle 25A (260 to 600VAC ouput) (+$275.00)

S - Phase Angle 40A (260 to 600VAC ouput) (+$306.00)

T - Phase Angle 75A (260 to 600VAC ouput) (+$326.00)

Higher current ratings available please call for details.

Heat Sink

-A - None

-B - 25A (+$39.00)

-C - 40A (+$53.00)

-D - 75A, 24VDC fan cooled (+$84.00)

-E - 75A, 115VAC fan cooled (+$84.00)

-F - 75A, 240VAC fan cooled (+$84.00)

Firmware

A - Standard Watlow

P - Profile ramp and soak (40 total steps, 1 to 4 profiles total) (+$139.00)

Configuration Summary

Watlow EZ-ZONE ST Temperature Controller

Configured Part Number
STKA-AHAB-AAAA Call for availability

Base Price

$451.00

Selected Options

$0.00

Configured Price

$451.00

Product Manual

Product Specs

Need help? Call one of our engineers at 1-800-884-4967. We’re open 8:00 am to 5:30 pm ET.

Instrumart is a member of a family of industrial stores

Family of Industrial Stores

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