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Square D 9050JCK15V20 octal time delay relay, sealed plug-in housing, rotary knob adjustment

SQUARE D

SQUARE D 9050JCK15V20 time delay relay

SKU CH-ATCG-YGT4Q

Single-function on-delay relay with rotary adjustment from 1.8 seconds to 3 minutes, 10 A DPDT contacts, 110 V AC coil, octal plug-in base

  • TypeIndustrial Electrical Controls & Automation
  • Adjustable timing from 1.8 sec to 3 min with rotary knob control
  • DPDT contacts rated 10 A at 120/240 V AC and 30 V DC
  • Octal 8-pin plug-in base for quick socket mounting
  • Sealed enclosure protects internal components in harsh environments
  • Operates on 110 V AC or 120 V DC coil voltage

SQUARE D 9050JCK15V20 time delay relay

The SQUARE D 9050JCK15V20 is a single-function on-delay relay built for industrial control panels and automation circuits. It plugs into an octal socket and switches loads up to 10 A at 120/240 V AC or 30 V DC. Installers set the delay between 1.8 sec and 3 min using a rotary knob on the sealed body. This unit suits maintenance teams replacing existing plug-in relays in motor starters or lighting panels.

Thermals noise and power draw

The sealed enclosure contains no moving parts so it runs silently in normal operation. Coil power is drawn only while the 110 V AC or 120 V DC input is energised and the timing cycle is active. Contacts carry up to 10 A without forced-air cooling when mounted in a ventilated panel. Heat output stays low enough for side-by-side mounting in standard relay racks.

Accessories and software impact

The relay ships as a standalone component with no bundled software or programming tools. Timing changes are made mechanically by turning the front-mounted knob so no laptop or handheld configurator is required. An octal socket must be sourced separately for panel wiring. No mounting brackets or DIN-rail adapters are included in the package.

Highlights

  • Adjustable timing from 1.8 sec to 3 min with rotary knob control
  • DPDT contacts rated 10 A at 120/240 V AC and 30 V DC
  • Octal 8-pin plug-in base for quick socket mounting
  • Sealed enclosure protects internal components in harsh environments
  • Operates on 110 V AC or 120 V DC coil voltage

Specifications

BrandSCHNEIDER ELECTRIC
TypeIndustrial Electrical Controls & Automation

Questions about this item

How do I install the 9050JCK15V20 relay and what step is often missed?

Plug the octal base into a matching 8-pin socket wired for 110 V AC coil supply; the step often missed is confirming the socket pin-out matches the relay’s DPDT contact arrangement before applying power.

What maintenance or replacement will this time delay relay need later?

The sealed, plug-in unit has no user-serviceable parts; plan to replace the entire relay when contacts no longer switch the rated 10 A at 120/240 V AC or 10 A at 30 V DC reliably.

What limit appears first when the relay runs continuously at full load?

Continuous 10 A switching at 120/240 V AC will reach the contact rating limit before the 1.8-second to 3-minute on-delay range or the 110 V AC coil becomes a constraint.

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