🎛️ 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 SCR FUSE Holder 17-5110 for 17-8020 and 17-8025 Fuses
SKU: 17-5110
Stock confirmed at order — usually ships from stock
$21.05

Watlow
Watlow DIN-A-Mite SCR FUSE Holder 17-5114 for 17-8040 and 17-8050 Fuses
SKU: 17-5114
Stock confirmed at order — usually ships from stock
$50.22

Watlow
Watlow DIN-A-Mite SCR FUSE Holder 17-5122 for 17-8080 and 17-8100 Fuses
SKU: 17-5122
Stock confirmed at order — usually ships from stock
$89.09

Watlow
Watlow DIN-A-Mite SCR FUSE 20 amps, part number 17-8020
SKU: 17-8020
Stock confirmed at order — usually ships from stock
$19.44

Watlow
Watlow DIN-A-Mite SCR FUSE 25 amps, part number 17-8025
SKU: 17-8025
Stock confirmed at order — usually ships from stock
$19.44

Watlow
Watlow DIN-A-Mite SCR FUSE 40 amps, part number 17-8040
SKU: 17-8040
Stock confirmed at order — usually ships from stock
$37.26

Watlow
Watlow DIN-A-Mite SCR FUSE 50 amps, part number 17-8050
SKU: 17-8050
Stock confirmed at order — usually ships from stock
$37.26

Watlow
Watlow DIN-A-Mite SCR FUSE 80 amps, part number 17-8080
SKU: 17-8080
Stock confirmed at order — usually ships from stock
$42.12

Watlow
Watlow DIN-A-Mite SCR FUSE 100 amps, part number 17-8100
SKU: 17-8100
Stock confirmed at order — usually ships from stock
$42.12

Watlow
Watlow DIN-A-Mite A SCR, SINGLE PHASE, 4.5 to 32 vdc Input, 24-48 VAC, 17 amp
SKU: DA10-02C0-0000
Stock confirmed at order — usually ships from stock
$179.80

Watlow
Watlow DIN-A-Mite A SCR, SINGLE PHASE, 4-20mA Input, 24-48 VAC, 17 amp
SKU: DA10-02F0-0000
Stock confirmed at order — usually ships from stock
$213.81

Watlow
Watlow DIN-A-Mite A SCR, SINGLE PHASE, 22-26 VAC Input, 24-48 VAC, 17 amp
SKU: DA10-02K1-0000
Stock confirmed at order — usually ships from stock
$179.80

Watlow
Watlow DIN-A-Mite A SCR, SINGLE PHASE, 100-120 VAC Input, 24-48 VAC, 17 amp
SKU: DA10-02K2-0000
Stock confirmed at order — usually ships from stock
$204.09

Watlow
Watlow DIN-A-Mite A SCR, SINGLE PHASE, 200 to 240 VAC Input, 24-48 VAC, 17 amp
SKU: DA10-02K3-0000
Stock confirmed at order — usually ships from stock
$207.33

Watlow
Watlow DIN-A-Mite A SCR, SINGLE PHASE, 4.5 to 32 vdc Input, 100-240 VAC, 17 amp
SKU: DA10-24C0-0000
Stock confirmed at order — usually ships from stock
$179.80

Watlow
Watlow DIN-A-Mite A SCR, SINGLE PHASE, 4-20mA Input, 100-240 VAC, 17 amp
SKU: DA10-24F0-0000
Stock confirmed at order — usually ships from stock
$213.81

Watlow
Watlow DIN-A-Mite A SCR, SINGLE PHASE, 22-26 VAC Input, 100-240 VAC, 17 amp
SKU: DA10-24K1-0000
Stock confirmed at order — usually ships from stock
$179.80

Watlow
Watlow DIN-A-Mite A SCR, SINGLE PHASE, 100-120 VAC Input, 100-240 VAC, 17 amp
SKU: DA10-24K2-0000
Stock confirmed at order — usually ships from stock
$204.09

Watlow
Watlow DIN-A-Mite A SCR, SINGLE PHASE, 200 to 240 VAC Input, 100-240 VAC, 17 amp
SKU: DA10-24K3-0000
Stock confirmed at order — usually ships from stock
$207.33

Watlow
Watlow DIN-A-Mite A SCR, SINGLE PHASE, 4.5 to 32 vdc Input, 277-600 VAC, 17 amp
SKU: DA10-60C0-0000
Stock confirmed at order — usually ships from stock
$189.51

Watlow
Watlow DIN-A-Mite A SCR, SINGLE PHASE, 4-20mA Input, 277-600 VAC, 17 amp
SKU: DA10-60F0-0000
Stock confirmed at order — usually ships from stock
$223.53

Watlow
Watlow DIN-A-Mite A SCR, SINGLE PHASE, 22-26 VAC Input, 277-600 VAC, 17 amp
SKU: DA10-60K1-0000
Stock confirmed at order — usually ships from stock
$189.51

Watlow
Watlow DIN-A-Mite A SCR, SINGLE PHASE, 100-120 VAC Input, 277-600 VAC, 17 amp
SKU: DA10-60K2-0000
Stock confirmed at order — usually ships from stock
$213.81

Watlow
Watlow DIN-A-Mite A SCR, SINGLE PHASE, 200 to 240 VAC Input, 277-600 VAC, 17 amp
SKU: DA10-60K3-0000
Stock confirmed at order — usually ships from stock
$217.05

Watlow
Watlow DIN-A-Mite B SCR, SINGLE PHASE, 4.5 to 32 vdc Input, 24-48 VAC, 35 AMP
SKU: DB10-02C0-0000
Stock confirmed at order — usually ships from stock
$244.59

Watlow
Watlow DIN-A-Mite B SCR, 1 Leg, 4.5 to 32 vdc Input, 24-48 VAC, 35 Amp, Shorted SCR Alarm Option
SKU: DB10-02C0-S000
Stock confirmed at order — usually ships from stock
$333.67

Watlow
Watlow DIN-A-Mite B SCR, SINGLE PHASE, 4-20mA Input, 24-48 VAC, 35 AMP
SKU: DB10-02F0-0000
Stock confirmed at order — usually ships from stock
$278.60

Watlow
Watlow DIN-A-Mite B SCR, 1 Leg, 4-20mA Input, 24-48 VAC, 35 Amp, Shorted SCR Alarm Option
SKU: DB10-02F0-S000
Stock confirmed at order — usually ships from stock
$367.69

Watlow
Watlow DIN-A-Mite B SCR, SINGLE PHASE, 22-26 VAC Input, 24-48 VAC, 35 AMP
SKU: DB10-02K1-0000
Stock confirmed at order — usually ships from stock
$244.59

Watlow
Watlow DIN-A-Mite B SCR, 1 Leg, 22-26 VAC Input, 24-48 VAC, 35 Amp, Shorted SCR Alarm Option
SKU: DB10-02K1-S000
Stock confirmed at order — usually ships from stock
$333.67

Watlow
Watlow DIN-A-Mite B SCR, SINGLE PHASE, 100-120 VAC Input, 24-48 VAC, 35 AMP
SKU: DB10-02K2-0000
Stock confirmed at order — usually ships from stock
$268.88

Watlow
Watlow DIN-A-Mite B SCR, 1 Leg, 100-120 VAC Input, 24-48 VAC, 35 Amp, Shorted SCR Alarm Option
SKU: DB10-02K2-S000
Stock confirmed at order — usually ships from stock
$357.96

Watlow
Watlow DIN-A-Mite B SCR, SINGLE PHASE, 200 to 240 VAC Input, 24-48 VAC, 35 AMP
SKU: DB10-02K3-0000
Stock confirmed at order — usually ships from stock
$272.12

Watlow
Watlow DIN-A-Mite B SCR, 1 Leg, 200 to 240 VAC Input, 24-48 VAC, 35 Amp, Shorted SCR Alarm Option
SKU: DB10-02K3-S000
Stock confirmed at order — usually ships from stock
$361.21

Watlow
Watlow DIN-A-Mite B SCR, SINGLE PHASE, 4.5 to 32 vdc Input, 100-240 VAC, 35 AMP
SKU: DB10-24C0-0000
Stock confirmed at order — usually ships from stock
$244.59

Watlow
Watlow DIN-A-Mite B SCR, 1 Leg, 4.5 to 32 vdc Input, 100-240 VAC, 35 Amp, Shorted SCR Alarm Option
SKU: DB10-24C0-S000
Stock confirmed at order — usually ships from stock
$333.67

Watlow
Watlow DIN-A-Mite B SCR, SINGLE PHASE, 4-20mA Input, 100-240 VAC, 35 AMP
SKU: DB10-24F0-0000
Stock confirmed at order — usually ships from stock
$278.60

Watlow
Watlow DIN-A-Mite B SCR, 1 Leg, 4-20mA Input, 100-240 VAC, 35 Amp, Shorted SCR Alarm Option
SKU: DB10-24F0-S000
Stock confirmed at order — usually ships from stock
$367.69

Watlow
Watlow DIN-A-Mite B SCR, SINGLE PHASE, 22-26 VAC Input, 100-240 VAC, 35 AMP
SKU: DB10-24K1-0000
Stock confirmed at order — usually ships from stock
$244.59

Watlow
Watlow DIN-A-Mite B SCR, 1 Leg, 22-26 VAC Input, 100-240 VAC, 35 Amp, Shorted SCR Alarm Option
SKU: DB10-24K1-S000
Stock confirmed at order — usually ships from stock
$333.67

Watlow
Watlow DIN-A-Mite B SCR, SINGLE PHASE, 100-120 VAC Input, 100-240 VAC, 35 AMP
SKU: DB10-24K2-0000
Stock confirmed at order — usually ships from stock
$268.88

Watlow
Watlow DIN-A-Mite B SCR, 1 Leg, 100-120 VAC Input, 100-240 VAC, 35 Amp, Shorted SCR Alarm Option
SKU: DB10-24K2-S000
Stock confirmed at order — usually ships from stock
$357.96

Watlow
Watlow DIN-A-Mite B SCR, SINGLE PHASE, 200 to 240 VAC Input, 100-240 VAC, 35 AMP
SKU: DB10-24K3-0000
Stock confirmed at order — usually ships from stock
$272.12

Watlow
Watlow DIN-A-Mite B SCR, 1 Leg, 200 to 240 VAC Input, 100-240 VAC, 35 Amp, Shorted SCR Alarm Option
SKU: DB10-24K3-S000
Stock confirmed at order — usually ships from stock
$361.21

Watlow
Watlow DIN-A-Mite B SCR, SINGLE PHASE, 4.5 to 32 vdc Input, 277-600 VAC, 35 AMP
SKU: DB10-60C0-0000
Stock confirmed at order — usually ships from stock
$254.30

Watlow
Watlow DIN-A-Mite B SCR, 1 Leg, 4.5 to 32 vdc Input, 277-600 VAC, 35 Amp, Shorted SCR Alarm Option
SKU: DB10-60C0-S000
Stock confirmed at order — usually ships from stock
$343.39

Watlow
Watlow DIN-A-Mite B SCR, SINGLE PHASE, 4-20mA Input, 277-600 VAC, 35 AMP
SKU: DB10-60F0-0000
Stock confirmed at order — usually ships from stock
$288.32

Watlow
Watlow DIN-A-Mite B SCR, 1 Leg, 4-20mA Input, 277-600 VAC, 35 Amp, Shorted SCR Alarm Option
SKU: DB10-60F0-S000
Stock confirmed at order — usually ships from stock
$377.40
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.
