440T-MSTUE20AA

Trapped Key Interlock

Name: Trapped Key Interlock
Brand: Rockwell Automation
SKU: 440T-MSTUE20AA

Serial #:

Lifecycle status: Active

Description

Electronic Timed-Delay Unit - Single Key, Standard Key Code Labeling, 110V AC Set 1: 3 N.O. 40 Amp, Set 2: 1 N.O. 20 Amp

Lifecycle status: Active

Description

Electronic Timed-Delay Unit - Single Key, Standard Key Code Labeling, 110V AC Set 1: 3 N.O. 40 Amp, Set 2: 1 N.O. 20 Amp

Unique Product Identifier	440T-MSTUE20AA
UPC	781180445309
Estimated Lead Time	41 days
Standard Warranty Duration	1 year See details
Country of Origin	Multiple

Accessory	True
Contact type	110V AC, contact set 1, 3 NO 40 A & contact set 2, 1 NO 20 A
Description	Trapped key interlock switch with electronic Timed-delay
Range switch setting 5	30...300s @ time delay long range
Range switch setting 6	300...3000s @ time delay long range
Range switch setting 7	30...300s @ time delay short range
Safety contacts isolator	3 NO safety (40 A) & 1 NO (20 A), 2 NO safety (20 A) & 1 NC (20 A)
Solenoid monitor switch	1 NC safety (10 A)
Solenoid voltage	24V DC @ 110V AC, 230V AC
Spare part	True
Time switch setting 1	Delay adjustment: 10%
Time switch setting 10	Delay adjustment: 100%
Time switch setting 2	Delay adjustment: 20%
Time switch setting 3	Delay adjustment: 30%
Time switch setting 4	Delay adjustment: 40%
Time switch setting 5	Delay adjustment: 50%
Time switch setting 6	Delay adjustment: 60%
Time switch setting 7	Delay adjustment: 70%
Time switch setting 8	Delay adjustment: 80%
Time switch setting 9	Delay adjustment: 90%
Type of accessory	Prosafe electronic time delay unit

Construction

Depth	123.85 mm
Height	130 mm
Time delay	0.1 s..30 min
Type of switch	Electronic time delay, single key out, panel mounted
Width	216 mm

Mechanical

Features	Timed-delay output up to 30 min, Single key or dual key, 316L stainless steel keys, Category 1 stop, Replaceable code barrel assembly
Key code 1 position 1	Code 1 position 1 - code A
Key code 1 position 2	Code 1 position 2 - code A
Material	Trapped key components: 316L Stainless Steel, Faceplate: 316L Stainless Steel
Mechanical life operations	200000
Mounting	TAer resistant screws
Relative humidity	95 %
Shear force to key, max	15.1
Torque to key, max	14

Operating temperature	0 °C

Click the Download CAD button below to view all file formats available for download.

General	Publication
Product Cutsheet	--

Installation Instructions	Publication
440t-in011_-mu-p	440T-IN011

Technical Data	Publication
switch-td001_-en-p	SWITCH-TD001

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China CCC
CE

This product was certified with the above certifications as of 2026-10-06. Products sold before or after this date might carry different certifications. Please review the product label to check for the certifications your specific product carries.

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Regulatory Information

EU Importer Address	Rockwell Automation N.V Pegasus Park De Kleetlaan 12A 1831 Diegem Belgium
EU Authorized Representative Address	Rockwell Automation N.V Pegasus Park De Kleetlaan 12A 1831 Diegem Belgium

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Technotes

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Overview

Unique Product Identifier	440T-MSTUE20AA
UPC	781180445309
Estimated Lead Time	41 days
Standard Warranty Duration	1 year See details
Country of Origin	Multiple

Electrical & Connectivity

Accessory	True
Contact type	110V AC, contact set 1, 3 NO 40 A & contact set 2, 1 NO 20 A
Description	Trapped key interlock switch with electronic Timed-delay
Range switch setting 5	30...300s @ time delay long range
Range switch setting 6	300...3000s @ time delay long range
Range switch setting 7	30...300s @ time delay short range
Safety contacts isolator	3 NO safety (40 A) & 1 NO (20 A), 2 NO safety (20 A) & 1 NC (20 A)
Solenoid monitor switch	1 NC safety (10 A)
Solenoid voltage	24V DC @ 110V AC, 230V AC
Spare part	True
Time switch setting 1	Delay adjustment: 10%
Time switch setting 10	Delay adjustment: 100%
Time switch setting 2	Delay adjustment: 20%
Time switch setting 3	Delay adjustment: 30%
Time switch setting 4	Delay adjustment: 40%
Time switch setting 5	Delay adjustment: 50%
Time switch setting 6	Delay adjustment: 60%
Time switch setting 7	Delay adjustment: 70%
Time switch setting 8	Delay adjustment: 80%
Time switch setting 9	Delay adjustment: 90%
Type of accessory	Prosafe electronic time delay unit

Physical Characteristics

Construction

Depth	123.85 mm
Height	130 mm
Time delay	0.1 s..30 min
Type of switch	Electronic time delay, single key out, panel mounted
Width	216 mm

Mechanical

Features	Timed-delay output up to 30 min, Single key or dual key, 316L stainless steel keys, Category 1 stop, Replaceable code barrel assembly
Key code 1 position 1	Code 1 position 1 - code A
Key code 1 position 2	Code 1 position 2 - code A
Material	Trapped key components: 316L Stainless Steel, Faceplate: 316L Stainless Steel
Mechanical life operations	200000
Mounting	TAer resistant screws
Relative humidity	95 %
Shear force to key, max	15.1
Torque to key, max	14

Compliance & Environment

Operating temperature	0 °C

Drawings

Click the Download CAD button below to view all file formats available for download.

Documents

Product Cutsheet General
--

440t-in011_-mu-p Installation Instructions
440T-IN011

switch-td001_-en-p Technical Data
SWITCH-TD001

General	Publication
Product Cutsheet	--
Installation Instructions	Publication
440t-in011_-mu-p	440T-IN011
Technical Data	Publication
switch-td001_-en-p	SWITCH-TD001