PCN 135415 A-20-3 is a Chromalox Three-Heat Ring Heater with a Chrome Steel sheath that is rated for a maximum temperature of 1200 degrees F. This three-heat ring heater has three post terminals that split the heater into two equal circuits to be regulated separately using a temperature controller. The center terminal is the common terminal.

Here are the ring heater specifications:  A (inches) = 3.97, B (inches) = 1.69, C (inches) = 0.31, Watts = 300, Volts = 120, and the watt density is 12 watts per sq. inch.

PCN 135423 A-20-3 is a Chromalox Three-Heat Ring Heater with a Chrome Steel sheath that is rated for a maximum temperature of 1200 degrees F. This three-heat ring heater has three post terminals that split the heater into two equal circuits to be regulated separately using a temperature controller. The center terminal is the common terminal.

Here are the ring heater specifications:  A (inches) = 3.97, B (inches) = 1.69, C (inches) = 0.31, Watts = 300, Volts = 240, and the watt density is 12 watts per sq. inch.

PCN 135431 A-20-3 is a Chromalox Three-Heat Ring Heater with a Chrome Steel sheath that is rated for a maximum temperature of 1200 degrees F. This three-heat ring heater has three post terminals that split the heater into two equal circuits to be regulated separately using a temperature controller. The center terminal is the common terminal. The picture is a three-heat ring heater, and it is for reference only.

Here are the ring heater specifications:  A (inches) = 3.97, B (inches) = 1.69, C (inches) = 0.31, Watts = 400, Volts = 120, and the watt density is 15 watts per sq. inch.

PCN 135440 A-20-3 is a Chromalox Three-Heat Ring Heater with a Chrome Steel sheath that is rated for a maximum temperature of 1200 degrees F. This three-heat ring heater has three post terminals that split the heater into two equal circuits to be regulated separately using a temperature controller. The center terminal is the common terminal. The picture is a three-heat ring heater, and it is for reference only.

Here are the ring heater specifications:  A (inches) = 3.97, B (inches) = 1.69, C (inches) = 0.31, Watts = 400, Volts = 240, and the watt density is 15 watts per sq. inch.

PCN 135458 A-20-3 is a Chromalox Three-Heat Ring Heater with a Chrome Steel sheath that is rated for a maximum temperature of 1200 degrees F. This three-heat ring heater has three post terminals that split the heater into two equal circuits to be regulated separately using a temperature controller. The center terminal is the common terminal. The picture is a three-heat ring heater, and it is for reference only.

Here are the ring heater specifications:  A (inches) = 3.97, B (inches) = 1.69, C (inches) = 0.31, Watts = 500, Volts = 120, and the watt density is 19 watts per sq. inch.

PCN 135466 A-20-3 is a Chromalox Three-Heat Ring Heater with a Chrome Steel sheath that is rated for a maximum temperature of 1200 degrees F. This three-heat ring heater has three post terminals that split the heater into two equal circuits to be regulated separately using a temperature controller. The center terminal is the common terminal. The picture is a three-heat ring heater, and it is for reference only.

Here are the ring heater specifications:  A (inches) = 3.97, B (inches) = 1.69, C (inches) = 0.31, Watts = 500, Volts = 240, and the watt density is 19 watts per sq. inch.

PCN 135538 A-30-3 is a Chromalox Three-Heat Ring Heater with a Chrome Steel sheath that is rated for a maximum temperature of 1200 degrees F. This three-heat ring heater has three post terminals that split the heater into two equal circuits to be regulated separately using a temperature controller. The center terminal is the common terminal. The picture is a three-heat ring heater, and it is for reference only.

Here are the ring heater specifications:  A (inches) = 4.62, B (inches) = 2.25, C (inches) = 0.31, Watts = 450, Volts = 120, and the watt density is 14 watts per sq. inch.

PCN 135546 A-30-3 is a Chromalox Three-Heat Ring Heater with a Chrome Steel sheath that is rated for a maximum temperature of 1200 degrees F. This three-heat ring heater has three post terminals that split the heater into two equal circuits to be regulated separately using a temperature controller. The center terminal is the common terminal. The picture is a three-heat ring heater, and it is for reference only.

Here are the ring heater specifications:  A (inches) = 4.62, B (inches) = 2.25, C (inches) = 0.31, Watts = 450, Volts = 240, and the watt density is 14 watts per sq. inch.

PCN 135554 A-30-3 is a Chromalox Three-Heat Ring Heater with a Chrome Steel sheath that is rated for a maximum temperature of 1200 degrees F. This three-heat ring heater has three post terminals that split the heater into two equal circuits to be regulated separately using a temperature controller. The center terminal is the common terminal. The picture is a three-heat ring heater, and it is for reference only.

Here are the ring heater specifications:  A (inches) = 4.62, B (inches) = 2.25, C (inches) = 0.31, Watts = 500, Volts = 120, and the watt density is 15 watts per sq. inch.

PCN 135562 A-30-3 is a Chromalox Three-Heat Ring Heater with a Chrome Steel sheath that is rated for a maximum temperature of 1200 degrees F. This three-heat ring heater has three post terminals that split the heater into two equal circuits to be regulated separately using a temperature controller. The center terminal is the common terminal. The picture is a three-heat ring heater, and it is for reference only.

Here are the ring heater specifications:  A (inches) = 4.62, B (inches) = 2.25, C (inches) = 0.31, Watts = 500, Volts = 240, and the watt density is 15 watts per sq. inch.

PCN 135570 A-30-3 is a Chromalox Three-Heat Ring Heater with a Chrome Steel sheath that is rated for a maximum temperature of 1200 degrees F. This three-heat ring heater has three post terminals that split the heater into two equal circuits to be regulated separately using a temperature controller. The center terminal is the common terminal. The picture is a three-heat ring heater, and it is for reference only.

Here are the ring heater specifications:  A (inches) = 4.62, B (inches) = 2.25, C (inches) = 0.31, Watts = 550, Volts = 120, and the watt density is 17 watts per sq. inch.

PCN 135589 A-30-3 is a Chromalox Three-Heat Ring Heater with a Chrome Steel sheath that is rated for a maximum temperature of 1200 degrees F. This three-heat ring heater has three post terminals that split the heater into two equal circuits to be regulated separately using a temperature controller. The center terminal is the common terminal. The picture is a three-heat ring heater, and it is for reference only.

Here are the ring heater specifications:  A (inches) = 4.62, B (inches) = 2.25, C (inches) = 0.31, Watts = 550, Volts = 240, and the watt density is 17 watts per sq. inch.

PCN 135650 A-40-3 is a Chromalox Three-Heat Ring Heater with a Chrome Steel sheath that is rated for a maximum temperature of 1200 degrees F. This three-heat ring heater has three post terminals that split the heater into two equal circuits to be regulated separately using a temperature controller. The center terminal is the common terminal. The picture is a three-heat ring heater, and it is for reference only.

Here are the ring heater specifications:  A (inches) = 5.44, B (inches) = 3.0, C (inches) = 0.31, Watts = 500, Volts = 120, and the watt density is 12 watts per sq. inch.

PCN 135669 A-40-3 is a Chromalox Three-Heat Ring Heater with a Chrome Steel sheath that is rated for a maximum temperature of 1200 degrees F. This three-heat ring heater has three post terminals that split the heater into two equal circuits to be regulated separately using a temperature controller. The center terminal is the common terminal. The picture is a three-heat ring heater, and it is for reference only.

Here are the ring heater specifications:  A (inches) = 5.44, B (inches) = 3.0, C (inches) = 0.31, Watts = 500, Volts = 240, and the watt density is 12 watts per sq. inch.

PCN 135677 A-40-3 is a Chromalox Three-Heat Ring Heater with a Chrome Steel sheath that is rated for a maximum temperature of 1200 degrees F. This three-heat ring heater has three post terminals that split the heater into two equal circuits to be regulated separately using a temperature controller. The center terminal is the common terminal. The picture is a three-heat ring heater, and it is for reference only.

Here are the ring heater specifications:  A (inches) = 5.44, B (inches) = 3.0, C (inches) = 0.31, Watts = 660, Volts = 120, and the watt density is 16 watts per sq. inch.