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Watlow Eurotherm EFit single-phase SCR power controller, 16 A, 115 V, 4-20 mA input, phase angle firing, self-powered, no current limit, no fuse. DIN rail.
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| MFR / Brand | WatLow |
|---|---|
| MPN | EFIT/16A/115V/4MA20/PA/ENG/SELF/XX/NOFUSE |
| Model | EFIT/16A/115V/4MA20/PA/ENG/SELF/XX/NOFUSE |
| Type | SCR Power Controller |
|---|---|
| Base Number | EFIT/16A |
| Industry Terms | SCR power controller, thyristor power controller, heater power controller, solid state power controller |
| Common Misspellings | EFFIT, E-FIT, WatLow EFit, Eurotherm E Fit |
| Application Types | Resistive heating, infrared heating, transformer primary loads, heat treatment |
| Mpn Variants | EFIT/16A/115V/4MA20/PA/ENG/SELF/XX/NOFUSE, EFIT-16A-115V-4mA20-PA-ENG-SELF-XX-NOFUSE, EFIT 16A 115V 4MA20 PA ENG SELF XX NOFUSE, EFIT/16A/115V |
| Compatible With Replaces | Eurotherm TE10A (form and fit replacement per Watlow) |
| Additional Attributes | Nominal current: 16 A; Nominal voltage: 115 V (+10%/-15%); Frequency: 47-63 Hz; Input: 4-20 mA (250 ohm); Firing: phase angle, no current limit; Electronics supply: self-powered; Fuse: none; Linearity: better than +/-2%; IP20; Operating temp 0-45 C without derating; Dimensions 115 x 52.5 x 92.5 mm; DIN rail; cUL, CE, RoHS |
| Item Weight | 0.55 kg (1.21 lb) |
The EFIT/16A/115V/4MA20/PA/ENG/SELF/XX/NOFUSE is an EFit single-phase SCR (thyristor) power controller from Watlow (Eurotherm brand). It switches power to resistive and infrared heating loads under a 4-20 mA control signal, with built-in compensation for supply voltage fluctuation.
EFIT — EFit basic SCR power controller.
16A — 16 A nominal current.
115V — 115 V nominal load voltage.
4MA20 — 4-20 mA analogue control input.
PA — phase angle firing mode.
ENG — English-language documentation.
SELF — self-powered electronics, no auxiliary supply needed.
XX — without current limit.
NOFUSE — supplied without fuse.
Nominal Current: 16 A. Nominal Voltage: 115 V (+10%/-15%). Frequency: 47 to 63 Hz. Control Input: 4-20 mA, 250 ohm burden. Firing Mode: Phase angle. Linearity: better than ±2% of full range. Load Types: AC51 pure resistive, AC56a transformer primary, AC55b short-wave infrared.
Protection: IP20 (CE), open type (UL). Operating Temperature: 0 to 45 °C without derating. Humidity: 5 to 95% RH non-condensing. Approvals: cUL (UL60947-4-1A, UL60947-1), CE (EN60947-4-3, EN60947-1), RoHS.
Supply compensation holds power to the heater steady through supply swings of ±10%, which keeps load temperature stable.
Height: 115 mm. Width: 52.5 mm. Depth: 92.5 mm. Item Weight: 0.55 kg. Mounting: DIN rail. Power terminals: 1.5 to 16 mm² cable. Control terminals: plug-in, 0.5 to 2.5 mm² (24 to 12 AWG).
Watlow lists the EFit as a form and fit drop-in replacement for the Eurotherm TE10A.
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A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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