🎛️ Category
Temperature & Process Controllers
PID and limit controllers, process controllers, and SCR power controllers for precise heat and process control.
Anderson-Bolds supplies temperature and process controllers from Watlow, Fenwal, and Novus — PID process controllers, FM-approved limit controllers, and SCR power controllers. We can pair a controller with the matching Watlow heater and sensor so the loop is sized and tuned together.

Watlow
Watlow DIN-A-Mite B SCR, SINGLE PHASE, 22-26 VAC Input, 277-600 VAC, 35 AMP
SKU: DB10-60K1-0000
Stock confirmed at order — usually ships from stock
$254.30

Watlow
Watlow DIN-A-Mite B SCR, 1 Leg, 22-26 VAC Input, 277-600 VAC, 35 Amp, Shorted SCR Alarm Option
SKU: DB10-60K1-S000
Stock confirmed at order — usually ships from stock
$343.39

Watlow
Watlow DIN-A-Mite B SCR, SINGLE PHASE, 100-120 VAC Input, 277-600 VAC, 35 AMP
SKU: DB10-60K2-0000
Stock confirmed at order — usually ships from stock
$278.60

Watlow
Watlow DIN-A-Mite B SCR, 1 Leg, 100-120 VAC Input, 277-600 VAC, 35 Amp, Shorted SCR Alarm Option
SKU: DB10-60K2-S000
Stock confirmed at order — usually ships from stock
$367.69

Watlow
Watlow DIN-A-Mite B SCR, SINGLE PHASE, 200 to 240 VAC Input, 277-600 VAC, 35 AMP
SKU: DB10-60K3-0000
Stock confirmed at order — usually ships from stock
$281.84

Watlow
Watlow DIN-A-Mite B SCR, 1 Leg, 200 to 240 VAC Input, 277-600 VAC, 35 Amp, Shorted SCR Alarm Option
SKU: DB10-60K3-S000
Stock confirmed at order — usually ships from stock
$370.92

Watlow
Watlow DIN-A-Mite B SCR, THREE PHASE, 4.5 to 32 vdc Input, 24-48 VAC, 25 AMP
SKU: DB20-02C0-0000
Stock confirmed at order — usually ships from stock
$289.94

Watlow
Watlow DIN-A-Mite B SCR, 3 Phase, 4.5 to 32 vdc Input, 24-48 VAC, 25 Amp, Shorted SCR Alarm
SKU: DB20-02C0-S000
Stock confirmed at order — usually ships from stock
$379.03

Watlow
Watlow DIN-A-Mite B SCR, THREE PHASE, 4-20mA Input, 24-48 VAC, 25 AMP
SKU: DB20-02F0-0000
Stock confirmed at order — usually ships from stock
$323.95

Watlow
Watlow DIN-A-Mite B SCR, 3 Phase, 4-20mA Input, 24-48 VAC, 25 Amp, Shorted SCR Alarm
SKU: DB20-02F0-S000
Stock confirmed at order — usually ships from stock
$413.04

Watlow
Watlow DIN-A-Mite B SCR, THREE PHASE, 22-26 VAC Input, 24-48 VAC, 25 AMP
SKU: DB20-02K1-0000
Stock confirmed at order — usually ships from stock
$289.94

Watlow
Watlow DIN-A-Mite B SCR, 3 Phase, 22-26 VAC Input, 24-48 VAC, 25 Amp, Shorted SCR Alarm
SKU: DB20-02K1-S000
Stock confirmed at order — usually ships from stock
$379.03

Watlow
Watlow DIN-A-Mite B SCR, THREE PHASE, 100-120 VAC Input, 24-48 VAC, 25 AMP
SKU: DB20-02K2-0000
Stock confirmed at order — usually ships from stock
$314.24

Watlow
Watlow DIN-A-Mite B SCR, 3 Phase, 100-120 VAC Input, 24-48 VAC, 25 Amp, Shorted SCR Alarm
SKU: DB20-02K2-S000
Stock confirmed at order — usually ships from stock
$403.32

Watlow
Watlow DIN-A-Mite B SCR, THREE PHASE, 200 to 240 VAC Input, 24-48 VAC, 25 AMP
SKU: DB20-02K3-0000
Stock confirmed at order — usually ships from stock
$317.47

Watlow
Watlow DIN-A-Mite B SCR, 3 Phase, 200 to 240 VAC Input, 24-48 VAC, 25 Amp, Shorted SCR Alarm
SKU: DB20-02K3-S000
Stock confirmed at order — usually ships from stock
$406.56

Watlow
Watlow DIN-A-Mite B SCR, THREE PHASE, 4.5 to 32 vdc Input, 100-240 VAC, 25 AMP
SKU: DB20-24C0-0000
Stock confirmed at order — usually ships from stock
$289.94

Watlow
Watlow DIN-A-Mite B SCR, 3 Phase, 4.5 to 32 vdc Input, 100-240 VAC, 25 Amp, Shorted SCR Alarm
SKU: DB20-24C0-S000
Stock confirmed at order — usually ships from stock
$379.03

Watlow
Watlow DIN-A-Mite B SCR, THREE PHASE, 4-20mA Input, 100-240 VAC, 25 AMP
SKU: DB20-24F0-0000
Stock confirmed at order — usually ships from stock
$323.95

Watlow
Watlow DIN-A-Mite B SCR, 3 Phase, 4-20mA Input, 100-240 VAC, 25 Amp, Shorted SCR Alarm
SKU: DB20-24F0-S000
Stock confirmed at order — usually ships from stock
$413.04

Watlow
Watlow DIN-A-Mite B SCR, THREE PHASE, 22-26 VAC Input, 100-240 VAC, 25 AMP
SKU: DB20-24K1-0000
Stock confirmed at order — usually ships from stock
$289.94

Watlow
Watlow DIN-A-Mite B SCR, 3 Phase, 22-26 VAC Input, 100-240 VAC, 25 Amp, Shorted SCR Alarm
SKU: DB20-24K1-S000
Stock confirmed at order — usually ships from stock
$379.03

Watlow
Watlow DIN-A-Mite B SCR, THREE PHASE, 100-120 VAC Input, 100-240 VAC, 25 AMP
SKU: DB20-24K2-0000
Stock confirmed at order — usually ships from stock
$314.24

Watlow
Watlow DIN-A-Mite B SCR, 3 Phase, 100-120 VAC Input, 100-240 VAC, 25 Amp, Shorted SCR Alarm
SKU: DB20-24K2-S000
Stock confirmed at order — usually ships from stock
$403.32

Watlow
Watlow DIN-A-Mite B SCR, THREE PHASE, 200 to 240 VAC Input, 100-240 VAC, 25 AMP
SKU: DB20-24K3-0000
Stock confirmed at order — usually ships from stock
$317.47

Watlow
Watlow DIN-A-Mite B SCR, 3 Phase, 200 to 240 VAC Input, 100-240 VAC, 25 Amp, Shorted SCR Alarm
SKU: DB20-24K3-S000
Stock confirmed at order — usually ships from stock
$406.56

Watlow
Watlow DIN-A-Mite B SCR, THREE PHASE, 4.5 to 32 vdc Input, 277-600 VAC, 25 AMP
SKU: DB20-60C0-0000
Stock confirmed at order — usually ships from stock
$309.38

Watlow
Watlow DIN-A-Mite B SCR, 3 Phase, 4.5 to 32 vdc Input, 277-600 VAC, 25 Amp, Shorted SCR Alarm
SKU: DB20-60C0-S000
Stock confirmed at order — usually ships from stock
$398.46

Watlow
Watlow DIN-A-Mite B SCR, THREE PHASE, 4-20mA Input, 277-600 VAC, 25 AMP
SKU: DB20-60F0-0000
Stock confirmed at order — usually ships from stock
$343.39

Watlow
Watlow DIN-A-Mite B SCR, 3 Phase, 4-20mA Input, 277-600 VAC, 25 Amp, Shorted SCR Alarm
SKU: DB20-60F0-S000
Stock confirmed at order — usually ships from stock
$432.48

Watlow
Watlow DIN-A-Mite B SCR, THREE PHASE, 22-26 VAC Input, 277-600 VAC, 25 AMP
SKU: DB20-60K1-0000
Stock confirmed at order — usually ships from stock
$309.38

Watlow
Watlow DIN-A-Mite B SCR, 3 Phase, 22-26 VAC Input, 277-600 VAC, 25 Amp, Shorted SCR Alarm
SKU: DB20-60K1-S000
Stock confirmed at order — usually ships from stock
$398.46

Watlow
Watlow DIN-A-Mite B SCR, THREE PHASE, 100-120 VAC Input, 277-600 VAC, 25 AMP
SKU: DB20-60K2-0000
Stock confirmed at order — usually ships from stock
$333.67

Watlow
Watlow DIN-A-Mite B SCR, 3 Phase, 100-120 VAC Input, 277-600 VAC, 25 Amp, Shorted SCR Alarm
SKU: DB20-60K2-S000
Stock confirmed at order — usually ships from stock
$422.75

Watlow
Watlow DIN-A-Mite B SCR, THREE PHASE, 200 to 240 VAC Input, 277-600 VAC, 25 AMP
SKU: DB20-60K3-0000
Stock confirmed at order — usually ships from stock
$336.91

Watlow
Watlow DIN-A-Mite B SCR, 3 Phase, 200 to 240 VAC Input, 277-600 VAC, 25 Amp, Shorted SCR Alarm
SKU: DB20-60K3-S000
Stock confirmed at order — usually ships from stock
$426.00

Watlow
Watlow DIN-A-Mite B SCR, THREE PHASE, 4.5 to 32 vdc Input, 24-48 VAC, 17 AMP
SKU: DB30-02C0-0000
Stock confirmed at order — usually ships from stock
$357.96

Watlow
Watlow DIN-A-Mite B SCR, 3 Phase, 4.5 to 32 vdc Input, 24-48 VAC, 17 Amp, Shorted SCR Alarm
SKU: DB30-02C0-S000
Stock confirmed at order — usually ships from stock
$447.05

Watlow
Watlow DIN-A-Mite B SCR, THREE PHASE, 4-20mA Input, 24-48 VAC, 17 AMP
SKU: DB30-02F0-0000
Stock confirmed at order — usually ships from stock
$391.99

Watlow
Watlow DIN-A-Mite B SCR, 3 Phase, 4-20mA Input, 24-48 VAC, 17 Amp, Shorted SCR Alarm
SKU: DB30-02F0-S000
Stock confirmed at order — usually ships from stock
$481.06

Watlow
Watlow DIN-A-Mite B SCR, THREE PHASE, 22-26 VAC Input, 24-48 VAC, 17 AMP
SKU: DB30-02K1-0000
Stock confirmed at order — usually ships from stock
$357.96

Watlow
Watlow DIN-A-Mite B SCR, 3 Phase, 22-26 VAC Input, 24-48 VAC, 17 Amp, Shorted SCR Alarm
SKU: DB30-02K1-S000
Stock confirmed at order — usually ships from stock
$447.05

Watlow
Watlow DIN-A-Mite B SCR, THREE PHASE, 100-120 VAC Input, 24-48 VAC, 17 AMP
SKU: DB30-02K2-0000
Stock confirmed at order — usually ships from stock
$382.26

Watlow
Watlow DIN-A-Mite B SCR, 3 Phase, 100-120 VAC Input, 24-48 VAC, 17 Amp, Shorted SCR Alarm
SKU: DB30-02K2-S000
Stock confirmed at order — usually ships from stock
$471.35

Watlow
Watlow DIN-A-Mite B SCR, THREE PHASE, 200 to 240 VAC Input, 24-48 VAC, 17 AMP
SKU: DB30-02K3-0000
Stock confirmed at order — usually ships from stock
$385.51

Watlow
Watlow DIN-A-Mite B SCR, 3 Phase, 200 to 240 VAC Input, 24-48 VAC, 17 Amp, Shorted SCR Alarm
SKU: DB30-02K3-S000
Stock confirmed at order — usually ships from stock
$474.58

Watlow
Watlow DIN-A-Mite B SCR, THREE PHASE, 4.5 to 32 vdc Input, 100-240 VAC, 17 AMP
SKU: DB30-24C0-0000
Stock confirmed at order — usually ships from stock
$357.96

Watlow
Watlow DIN-A-Mite B SCR, 3 Phase, 4.5 to 32 vdc Input, 100-240 VAC, 17 Amp, Shorted SCR Alarm
SKU: DB30-24C0-S000
Stock confirmed at order — usually ships from stock
$447.05
Temperature & Process Controllers — questions buyers ask
Do I need a separate limit controller?
For most heating systems, yes — a redundant high-limit controller with its own sensor protects against runaway if the primary control loop fails, and it's often required by code or insurers.
