Product Overview
Furnas Type H H11 Heater for Class 14 and Class 16 Motor Starter Overload Relays
Condition
Unused new old stock (NOS). Markings legible: H11, stamped into the metal mounting tab. Sold each.
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Product Overview
Furnas H11 is a Type H thermal overload heater element for Class 14 and Class 16 motor starters and overload relays. The heater number is picked from the starter's heater table to match the motor's full-load amps.
Key Features
- Maker part number H11, stamped into the metal tab
- Furnas Type H thermal overload heater element
- Listed in Siemens heater tables for Class 14 general purpose and Class 16 definite purpose starters
- White cylindrical body with a metal mounting tab at each end
Applications
- Replacing a heater in a Furnas or Siemens Class 14 or Class 16 starter with the same number already in the relay
- Resizing overload protection when a small motor on an existing starter is swapped for one with a different nameplate current
Frequently Asked Questions
What trip current does an H11 give?
It depends on the starter. H11 appears in several Class 14 and Class 16 heater tables, and each table assigns it its own motor full-load amp band for that starter's class and size.
Does the H11 sense motor temperature?
No. It responds to current. The element warms with the motor current passing through it, and the overload relay trips when that heat builds past its setting.
A heater is the part of a motor starter nobody thinks about until the motor trips, or worse, does not. H11 is one row in the Class 14 and Class 16 heater tables, and the motor nameplate decides whether it is the right row.
