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INTERMATIC Timer Trippers: Compatible with Series T100/T7000 (MPN 156T1978A) - Trippers for Electromechanical Timer Switches
INTERMATICTrippers for Electromechanical Timer Switches

INTERMATIC Timer Trippers: Compatible with Series T100/T7000 (MPN 156T1978A)

The INTERMATIC Timer Trippers (MPN 156T1978A) are replacement trippers for electromechanical timer switches, compatible with Series T100 and Model WH40. Each package includes (2) On/Off Tripper Pairs for setting…

SKU 3G-OTH-29495

Brand
INTERMATIC
Item
Timer Trippers: Compatible with Series T100/T7000
Category
Trippers for Electromechanical Timer Switches
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

INTERMATIC
Manufacturer Part Number
156T1978A
Includes
(2) On/Off Tripper Pairs
Product Type
Tripper
Compatible with Series
T100
Compatible with Manufacturer Model Number
WH40

Technical Documents

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INTERMATIC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The INTERMATIC Timer Trippers (MPN 156T1978A) are replacement trippers for electromechanical timer switches, compatible with Series T100 and Model WH40. Each package includes (2) On/Off Tripper Pairs for setting on/off cycles.

Frequently Asked Questions

What is the INTERMATIC 156T1978A timer tripper used for?

The INTERMATIC 156T1978A timer tripper is used to set on/off cycles on electromechanical timer switches. It is compatible with Series T100 and Model WH40. Each package includes (2) On/Off Tripper Pairs for programming daily or weekly schedules in lighting, HVAC, and industrial control applications.

What are the specifications of the INTERMATIC 156T1978A timer tripper?

The INTERMATIC 156T1978A timer tripper is a replacement tripper for electromechanical timer switches. It includes (2) On/Off Tripper Pairs and is compatible with Series T100 and Model WH40. The manufacturer part number is 156T1978A. It is designed for use with INTERMATIC timers.

Where to buy INTERMATIC 156T1978A timer trippers worldwide?

You can source INTERMATIC 156T1978A timer trippers worldwide through 3G Electric, a global industrial equipment distributor. 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact 3G Electric for availability and lead time on this replacement tripper.

How to install INTERMATIC 156T1978A timer trippers?

To install INTERMATIC 156T1978A timer trippers, first ensure power is off. Remove the old trippers from the timer dial. Snap the new trippers onto the dial at desired on/off times. Verify the trippers engage the switch contacts. Always follow the timer manufacturer's instructions for safe installation.

Used in

Common applications for INTERMATIC
Outdoor lighting control — INTERMATIC ET2145CR digital timer for parking lot lighting schedules
HVAC scheduling — INTERMATIC T7801B electromechanical timer for 7-day ventilation system cycling
Dusk-to-dawn lighting — INTERMATIC K4141C photocontrol for automatic street or sign lighting
Short-cycle pump control — INTERMATIC FD5MW spring-wound timer for sump pump test cycles
Plug-in appliance timing — INTERMATIC DT200LT digital plug-in timer for outdoor holiday lighting
Indoor load shedding — INTERMATIC ET2805C astronomic timer for office lighting based on daylight

INTERMATIC Products

3G Electric supplies INTERMATIC trippers for electromechanical timer switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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