Product Overview
An Adjustable Electromechanical Timer for Legacy Panels: Cramer 412EC, 0-30 Seconds at 115VAC
Condition
Unused, new old stock, photographed from stock. The gloss black steel can and front bezel are clean, the domed glass over the cream dial is clear, and the nine numbered screw terminals on the rear bakelite base show no tool marks or wire impressions. The factory label is crisp and fully readable: Cramer Division, Conrac Corporation, Old Saybrook Connecticut, Type 412EC 30S, motor 115/60, clutch 115/60, SW 15A, WD 1123, X1388A 57 EET. 3 in stock.
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Product Overview
The Conrac Cramer 412EC is an electromechanical time delay relay with an adjustable 0 to 30 second range, read off a Cramer Made in USA dial graduated in 2 second steps and set with the knurled front knob. The label confirms the drive: a 115 VAC 60 Hz timing motor paired with a 115 VAC 60 Hz clutch, with the switch rated 15A. The round metal body mounts through a panel on its front flange, and field wiring lands on nine numbered screw terminals around the rear base. Relays like this handled sequence timing in industrial systems for decades, and an NOS unit is the clean answer when a legacy panel calls for the original part instead of a solid-state re-engineering job.
Key Features
- Adjustable delay range: 0 to 30 seconds, dial graduated in 2 second steps
- Timing motor: 115 VAC, 60 Hz, per the factory label
- Clutch: 115 VAC, 60 Hz, per the factory label
- Switch rating: 15A, per the factory label
- Electromechanical motor-and-clutch timer design
- Round steel housing with front flange for through-panel mounting
- Nine numbered screw terminals on the rear bakelite base
- Label references wiring diagram WD 1123
- Cramer dial, Made in USA
Applications
- Maintenance electrician replacing a worn-out delay relay in a legacy control panel
- Plant engineer staging conveyor start-up and shutdown sequences
- HVAC tech restoring original timing control in older equipment
- Automation hobbyist adding simple, robust delay timing without a PLC
Frequently Asked Questions
Is the delay adjustable?
Yes. The front knob sets the delay anywhere on the 0 to 30 second dial, which is graduated in 2 second steps.
What supply voltage does it need?
115 VAC at 60 Hz for both the timing motor and the clutch, as printed on the factory label.
How does it mount?
Through a panel cutout on the front flange, with the round body behind the panel. Wiring lands on nine numbered screw terminals on the rear base; there is no DIN-rail adapter on this unit.
What about contact ratings and the wiring diagram?
The label rates the switch at 15A and references Cramer wiring diagram WD 1123. Verify terminal assignments against that diagram or the markings on your existing unit before installation.
Is this really unused?
Yes. New old stock, never installed in the field, stored clean and dry. The terminal screws show no wire marks, and the finish backs that up.
Why buy one or two here instead of a surplus lot elsewhere?
A panel repair needs one relay, maybe a spare, not a crate. PartsMine sells exact quantities, shipping is $8 flat rate and free over $28, so one 412EC ships free. Same or next business day from Idaho.
A relay whose entire job is knowing when to wait. If your panel was built around a 412EC, thirty adjustable seconds of patience just came back in stock.
