Delay Timers | McMaster-Carr

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	Timer Relay Function Timer Relay Function

Delayed Off

Delayed Start (Delay-on-
Make)

Delayed Switch-Off (Delay-on-
Break)

Delayed Switch-On with
Delayed Switch-Off

	Input Voltage Input Voltage

	Timing Adjustment Style Timing Adjustment Style


Knob	Push Button

Screw	Joystick

Potentiometer	DIP Switches

	Mounting Location Mounting Location

	Maximum Overall Timing Maximum Overall Timing

	Number of Terminals Number of Terminals

	Switching Voltage Switching Voltage

	Number of Circuits Controlled Number of Circuits Controlled

	Industry Designation Industry Designation

	Switching Current Switching Current

	Switch Starting Position Switch Starting Position

1 Off (Normally Open)

1 Off (Normally Open) or 1
On (Normally Closed)

2 Off (Normally Open) or 2
On (Normally Closed)

2 Off (Normally Open) and
2 On (Normally Closed)

4 Off (Normally Open) or 4
On (Normally Closed)

	Operation Type Operation Type

Mechanical

Solid State

Electrical

	Application Application

Power

	Width Width

	Height Height

	Depth Depth

	Minimum Overall Timing Minimum Overall Timing

	Wire Connection Type Wire Connection Type

	Screw Terminals
	Quick- Disconnect Terminals
	Screw-Clamp Terminals

	Number of Timing Ranges Number of Timing Ranges

	Control Current Control Current

	Socket Connection Type Socket Connection Type

Circular Pin Terminals

Quick-Disconnect Terminals

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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135 Products

About Timer Relays

DIN-Rail Mount Multifunction Timer Relays

Control multiple timing functions from your electrical cabinet—these timer relays mount to 35 mm DIN rail (also known as DIN 3 rail), which is the most commonly used size.

Dual-Channel DIN-Rail Mount
Multifunction Timer Relays

Control two steps of an electrical process from a single relay—with two fully independent channels and 30 different functions, these relays give you a wide range of possibilities.

Long-Life DIN-Rail Mount Multifunction Timer Relays

With no moving parts, these solid state relays have an extended service life.

Ultra-Thin DIN-Rail Mount Multifunction Timer Relays

Maximize space inside your control cabinet.

Versa-Mount Multifunction Timer Relays

Install relays in a panel cutout or plug into a relay socket.

Socket-Mount Multifunction Timer Relays

Plug these multifunction timer relays into relay sockets for fast installation and replacement.

Compact Socket-Mount Multifunction Timer Relays

Smaller than standard multifunction timer relays, these relays save space in your control cabinet.

Socket-Mount Timer Relays

Plug these timer relays into relay sockets for fast installation and replacement.

Wide-Range Socket-Mount Timer Relays

Postpone starts longer and set wider intervals than with most timer relays.

Long-Life Surface-Mount Timer Relays

With no moving parts, these solid state relays have an extended service life.

Surface-Mount Timer Relays

Use the mounting hole to attach these relays to a flat surface.

Versa-Mount Timer Relays

Install these relays in a panel cutout or plug into a relay socket.

DIN-Rail Mount Timer Relays

Mount these relays directly to DIN rail.

Medium-Current Timer Relays

Also known as power relays, these relays are rated for 1 horsepower or 30 amps and are suitable for compressors, blowers, and heaters.

Compact Programmable Logic Controllers

Smaller than other PLCs, these controllers save space in your control cabinet. They combine the functionality of a relay, timer relay, and switch in one unit, so you can program simple automation jobs.