Thermal Overload Protector - Thermal Overload Protector Switch, India

The SN-2 delivers the maximum protection in the smallest package at an excellent price. It’s the most reliable on the market, backed by the leading innovators in protection technology. Each SN-2 has a bimetal disc specifically manufactured for each rating. Each device is then calibrated and checked for opening temperature. This results in optimum snap–acting open and reset characteristics necessary to achieve consistent performance over the required cycle life. The SN-2 protector is our most popular product, and it is 4.7 mm thick with contact rating of up to 12 Amps.

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Applications

- Monoblock pump sets
- Electric Motors
- Transformers
- Solenoids
- Rechargeable Battery Packs
- Fluorescent Lighting Ballasts
- Wound Components

Features

- Compact Design
- Current and Temperature Sensitive
- Quick and Accurate Action
- Sealed steel case suitable for impregnation
- Polyester heat shrink sleeve for good electrical insulation as well as good thermal conduction

Selection Code Chart and Specifications

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Model

Operation

Open on Rise

Current Rating

Code	Contact Rating	Cycles
2	2A, 230V AC	10,000
8	8A, 230V AC	10,000

Top Temperature

Temperature Range	50°C to 110°C	111°C to 160°C
Differential	30°C	40°C

Top Temperature Tolerance

Code	5	8	10
Tolerance	±5°C	±8°C	±10°C

Bottom Temperature

Temperature Range

30°C to 120°C

Bottom Temperature Tolerance

Code	10	20
Tolerance	±10°C	±20°C

Insulation Type

HS	PS
Polyester heat shrink sleeve	Polyester sleeve

Lead Wire Type

X	T	S	P
XLPE	PTFE	Silicon	PVC

Lead Wire Length

50	70	100	200
50 mm	70 mm	100 mm	200 mm

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Thermal Overload Protector - SN-2